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Percy Jackson/Heroes of Olympus/Trials of Apollo/Kane Chronicles/Magnus Chase Timelines

Chapter Text

Key

  • Events in absentee (ex: displaced time due to Lotus Hotel, time as a tree, etc.)
  • Normal events

1926

  • Bianca di Angelo is born

1927

  • Bianca’s 1st birthday

1928

  • January 28 - Nico di Angelo is born
  • December 17 - Hazel Levesque is born
  • Bianca’s 2nd birthday

1929

  • January 28 - Nico’s 1st birthday
  • December 17 - Hazel’s 1st birthday
  • Bianca’s 3rd birthday

1930

  • January 28 - Nico’s 2nd birthday
  • December 17 - Hazel’s 2nd birthday
  • Bianca’s 4th birthday

1931

  • January 28 - Nico’s 3rd birthday
  • December 17 - Hazel’s 3rd birthday
  • Bianca’s 5th birthday

1932

  • January 28 - Nico’s 4th birthday
  • December 17 - Hazel’s 4th birthday
  • Bianca’s 6th birthday

1933

  • January 28 - Nico’s 5th birthday
  • December 17 - Hazel’s 5th birthday
  • Bianca’s 7th birthday

1934

  • January 28 - Nico’s 6th birthday
  • December 17 - Hazel’s 6th birthday
  • Bianca’s 8th birthday

1935

  • January 28 - Nico’s 7th birthday
  • December 17 - Hazel’s 7th birthday
  • Bianca’s 9th birthday

1936

  • January 28 - Nico’s 8th birthday
  • The di Angelos visit Dioclecian’s Palace
  • December 17 - Hazel’s 8th birthday
  • Bianca’s 10th birthday

1937

  • January 28 - Nico’s 9th birthday
  • December 17 - Hazel’s 9th birthday
  • Bianca’s 11th birthday

1938

  • January 28 - Nico’s 10th birthday
  • December 17 - Hazel’s 10th birthday
  • Bianca’s 12th birthday
  • Hades moves Bianca and Nico into the Lotus Hotel and Casino after Maria di Angelo’s death

1939

  • January 28 - Nico’s 11th birthday
  • December 17 - Hazel’s 11th birthday
  • Bianca’s 13th birthday

1940

  • January 28 - Nico’s 12th birthday
  • December 17 - Hazel’s 12th birthday
  • Bianca’s 14th birthday

1941

  • January 28 - Nico’s 13th birthday
  • December 17 - Hazel’s 13th birthday
    • Pluto visits Hazel and her mother, Marie, in New Orleans.
    • Hazel and Marie move to Seward, Alaska.
  • Bianca’s 15th birthday

1942

  • Hazel and Marie die in order to prevent Alcyoneus from rising
  • January 28 - Nico’s 14th birthday
  • December 17 - Hazel’s 14th birthday
  • Bianca’s 16th birthday

1943

  • January 28 - Nico’s 15th birthday
  • December 17 - Hazel’s 15th birthday
  • Bianca’s 17th birthday

1944

  • January 28 - Nico’s 16th birthday
  • December 17 - Hazel’s 16th birthday
  • Bianca’s 18th birthday

1945

  • January 28 - Nico’s 17th birthday
  • December 17 - Hazel’s 17th birthday
  • Bianca’s 19th birthday

1946

  • January 28 - Nico’s 18th birthday
  • December 17 - Hazel’s 18th birthday
  • Bianca’s 20th birthday

1947

  • January 28 - Nico’s 19th birthday
  • December 17 - Hazel’s 19th birthday
  • Bianca’s 21st birthday

1948

  • January 28 - Nico’s 20th birthday
  • December 17 - Hazel’s 20th birthday
  • Bianca’s 22nd birthday

1949

  • January 28 - Nico’s 21st birthday
  • December 17 - Hazel’s 21st birthday
  • Bianca’s 23rd birthday

1950

  • January 28 - Nico’s 22nd birthday
  • December 17 - Hazel’s 22nd birthday
  • Bianca’s 24th birthday

1951

  • January 28 - Nico’s 23rd birthday
  • December 17 - Hazel’s 23rd birthday
  • Bianca’s 25th birthday

1952

  • January 28 - Nico’s 24th birthday
  • December 17 - Hazel’s 24th birthday
  • Bianca’s 26th birthday

1953

  • January 28 - Nico’s 25th birthday
  • December 17 - Hazel’s 25th birthday
  • Bianca’s 27th birthday

1954

  • January 28 - Nico’s 26th birthday
  • December 17 - Hazel’s 26th birthday
  • Bianca’s 28th birthday

1955

  • January 28 - Nico’s 27th birthday
  • December 17 - Hazel’s 27th birthday
  • Bianca’s 29th birthday

1956

  • January 28 - Nico’s 28th birthday
  • December 17 - Hazel’s 28th birthday
  • Bianca’s 30th birthday

1957

  • January 28 - Nico’s 29th birthday
  • December 17 - Hazel’s 29th birthday
  • Bianca’s 31st birthday

1958

  • January 28 - Nico’s 30th birthday
  • December 17 - Hazel’s 30th birthday
  • Bianca’s 32nd birthday

1959

  • January 28 - Nico’s 31st birthday
  • December 17 - Hazel’s 31st birthday
  • Bianca’s 33rd birthday

1960

  • January 28 - Nico’s 32nd birthday
  • December 17 - Hazel’s 32nd birthday
  • Bianca’s 34th birthday

1961

  • January 28 - Nico’s 33rd birthday
  • December 17 - Hazel’s 33rd birthday
  • Bianca’s 35th birthday

1962

  • January 28 - Nico’s 34th birthday
  • December 17 - Hazel’s 34th birthday
  • Bianca’s 36th birthday

1963

  • January 28 - Nico’s 35th birthday
  • December 17 - Hazel’s 35th birthday
  • Bianca’s 37th birthday

1964

  • January 28 - Nico’s 36th birthday
  • December 17 - Hazel’s 36th birthday
  • Bianca’s 38th birthday

1965

  • January 28 - Nico’s 37th birthday
  • December 17 - Hazel’s 37th birthday
  • Bianca’s 39th birthday

1966

  • January 28 - Nico’s 38th birthday
  • December 17 - Hazel’s 38th birthday
  • Bianca’s 40th birthday

1967

  • January 28 - Nico’s 39th birthday
  • December 17 - Hazel’s 39th birthday
  • Bianca’s 41st birthday

1968

  • January 28 - Nico’s 40th birthday
  • December 17 - Hazel’s 40th birthday
  • Bianca’s 42nd birthday

1969

  • January 28 - Nico’s 41st birthday
  • December 17 - Hazel’s 41st birthday
  • Bianca’s 43rd birthday

1970

  • January 28 - Nico’s 42nd birthday
  • December 17 - Hazel’s 42nd birthday
  • Bianca’s 44th birthday

1971

  • January 28 - Nico’s 43rd birthday
  • December 17 - Hazel’s 43rd birthday
  • Bianca’s 45th birthday

1972

  • January 28 - Nico’s 44th birthday
  • December 17 - Hazel’s 44th birthday
  • Bianca’s 46th birthday

1973

  • January 28 - Nico’s 45th birthday
  • December 17 - Hazel’s 45th birthday
  • Bianca’s 47th birthday

1974

  • January 28 - Nico’s 46th birthday
  • December 17 - Hazel’s 46th birthday
  • Bianca’s 48th birthday

1975

  • January 28 - Nico’s 47th birthday
  • December 17 - Hazel’s 47th birthday
  • Bianca’s 49th birthday

1976

  • January 28 - Nico’s 48th birthday
  • December 17 - Hazel’s 48th birthday
  • Bianca’s 50th birthday

1977

  • January 28 - Nico’s 49th birthday
  • December 17 - Hazel’s 49th birthday
  • Bianca’s 51st birthday
  • Disco Darrin enters the Lotus Hotel and Casino

1978

  • January 28 - Nico’s 50th birthday
  • December 17 - Hazel’s 50th birthday
  • Bianca’s 52nd birthday

1979

  • January 28 - Nico’s 51st birthday
  • December 17 - Hazel’s 51st birthday
  • Bianca’s 53rd birthday

1980

  • January 28 - Nico’s 52nd birthday
  • December 17 - Hazel’s 52nd birthday
  • Bianca’s 54th birthday

1981

  • January 28 - Nico’s 53rd birthday
  • December 17 - Hazel’s 53rd birthday
  • Bianca’s 55th birthday

1982

  • January 28 - Nico’s 54th birthday
  • December 17 - Hazel’s 54th birthday
  • Bianca’s 56th birthday

1983

  • January 28 - Nico’s 55th birthday
  • December 17 - Hazel’s 55th birthday
  • Bianca’s 57th birthday

1984

  • January 28 - Nico’s 56th birthday
  • December 17 - Hazel’s 56th birthday
  • Bianca’s 58th birthday

1985

  • January 28 - Nico’s 57th birthday
  • December 17 - Hazel’s 57th birthday
  • Bianca’s 59th birthday

1986

  • January 28 - Nico’s 58th birthday
  • December 17 - Hazel’s 58th birthday
  • Bianca’s 60th birthday

1987

  • January 28 - Nico’s 59th birthday
  • Luke Castellan born
  • December
    • December 17 - Hazel’s 59th birthday
    • December 22 - Thalia Grace born
  • Bianca’s 61st birthday

1988

  • January 28 - Nico’s 60th birthday
  • Luke’s 1st birthday
  • December
    • December 17 - Hazel’s 60th birthday
    • December 22 - Thalia’s 1st birthday
  • Bianca’s 62nd birthday

1989

  • January 28 - Nico’s 61st birthday
  • Luke’s 2nd birthday
  • December
    • December 17 - Hazel’s 61st birthday
    • December 22 - Thalia’s 2nd birthday
  • Bianca’s 63rd birthday

1990

  • January 28 - Nico’s 62nd birthday
  • Luke’s 3rd birthday
  • December
    • December 17 - Hazel’s 62nd birthday
    • December 22 - Thalia’s 3rd birthday
  • Bianca’s 64th birthday

1991

  • January 28 - Nico’s 63rd birthday
  • Luke’s 4th birthday
  • December
    • December 17 - Hazel’s 63rd birthday
    • December 22 - Thalia’s 4th birthday
  • Bianca’s 65th birthday

1992

  • January 28 - Nico’s 64th birthday
  • Luke’s 5th birthday
  • December
    • December 17 - Hazel’s 64th birthday
    • December 22 - Thalia’s 5th birthday
  • Bianca’s 66th birthday

1993

  • January 28 - Nico’s 65th birthday
  • July 12 - Annabeth Chase born
  • August 18 - Percy Jackson born
  • Luke’s 6th birthday
  • December
    • December 17 - Hazel’s 65th birthday
    • December 22 - Thalia’s 6th birthday
  • Bianca’s 67th birthday

1994

  • January 28 - Nico’s 66th birthday
  • June
    • Carter Kane born
    • June 3 - Piper McLean born
    • June 5 - Frank Zhang born
  • July
    • July 1 - Jason Grace born
    • July 7 - Leo Valdez born
    • July 12 - Annabeth’s 1st birthday
  • August 18 - Percy’s 1st birthday
  • Luke’s 7th birthday
  • December
    • December 17 - Hazel’s 66th birthday
    • December 22 - Thalia’s 7th birthday
  • Bianca’s 68th birthday
  • Alex Fierro born
  • Samirah al-Abbas born

1995

  • January
    • January 13 - Magnus Chase born
    • January 28 - Nico’s 67th birthday
  • June
    • Carter’s 1st birthday
    • June 3 - Piper’s 1st birthday
    • June 5 - Frank’s 1st birthday
  • July
    • July 1 - Jason’s 1st birthday
    • July 7 - Leo’s 1st birthday
    • July 12 - Annabeth’s 2nd birthday
  • August
    • August 18 - Percy’s 2nd birthday
    • August 23 - Will Solace born
  • Luke’s 8th birthday
  • December
    • December 17 - Hazel’s 67th birthday
    • December 22 - Thalia’s 8th birthday
  • Bianca’s 69th birthday
  • Alex’s 1st birthday
  • Samirah’s 1st birthday

1996

  • January
    • January 13 - Magnus’s 1st birthday
    • January 28 - Nico’s 68th birthday
  • March 17 - Sadie Kane born
  • June
    • Carter’s 2nd birthday
    • June 3 - Piper’s 2nd birthday
    • June 5 - Frank’s 2nd birthday
  •  July
    • July 1 - Jason’s 2nd birthday
      • Juno takes Jason and gives him to Lupa
    • July 7 - Leo’s 2nd birthday
    • July 12 - Annabeth’s 3rd birthday
  •  August
    • August 18 - Percy’s 3rd birthday
    • August 23 - Will’s 1st birthday
  • Luke’s 9th birthday
    • Runs away from home
  • December
    • December 17 - Hazel’s 68th birthday
    • December 22 - Thalia’s 9th birthday
  • Bianca’s 70th birthday
  • Alex’s 2nd birthday
  • Samirah’s 2nd birthday
  • Thalia runs away from home

1997

  • January
    • January 13 - Magnus’s 2nd birthday
    • January 28 - Nico’s 69th birthday
  • March 17 - Sadie’s 1st birthday
  • June
    • Carter’s 3rd birthday
    • June 3 - Piper’s 3rd birthday
    • June 5 - Frank’s 3rd birthday
  • July
    • July 1 - Jason’s 3rd birthday
    • July 7 - Leo’s 3rd birthday
    • July 12 - Annabeth’s 4th birthday
  • August
    • August 18 - Percy’s 4th birthday
    • August 23 - Will’s 2nd birthday
  • Luke’s 10th birthday
  • December
    • December 17 - Hazel’s 69th birthday
    • December 22 - Thalia’s 10th birthday
  • Bianca’s 71st birthday
  • Alex’s 3rd birthday
  • Samirah’s 3rd birthday

1998

  • January
    • January 13 - Magnus’s 3rd birthday
    • January 28 - Nico’s 70th birthday
  • March 17 - Sadie’s 2nd birthday
  • June
    • Carter’s 4th birthday
    • June 3 - Piper’s 4th birthday
    • June 5 - Frank’s 4th birthday
  • July
    • July 1 - Jason’s 4th birthday
    • July 7 - Leo’s 4th birthday
    • July 12 - Annabeth’s 5th birthday
  • August
    • August 18 - Percy’s 5th birthday
    • August 23 - Will’s 3rd birthday
  • Luke’s 11th birthday
  • December
    • December 17 - Hazel’s 70th birthday
    • December 22 - Thalia’s 11th birthday
  • Bianca’s 72nd birthday
  • Alex’s 4th birthday
  • Samirah’s 4th birthday

1999

  • January
    • January 13 - Magnus’s 4th birthday
    • January 28 - Nico’s 71st birthday
  • March 17 - Sadie’s 3rd birthday
  • June
    • Carter’s 5th birthday
    • June 3 - Piper’s 5th birthday
    • June 5 - Frank’s 5th birthday
  • July
    • July 1 - Jason’s 5th birthday
    • July 7 - Leo’s 5th birthday
    • July 12 - Annabeth’s 6th birthday
  • August
    • August 18 - Percy’s 6th birthday
    • August 23 - Will’s 4th birthday
  • Luke’s 12th birthday
  • Luke meets Thalia
  • December
    • December 17 - Hazel’s 71st birthday
    • December 22 - Thalia’s 12th birthday
  • Bianca’s 73rd birthday
  • Alex’s 5th birthday
  • Samirah’s 5th birthday

2000

  • January
    • January 13 - Magnus’s 5th birthday
    • January 28 - Nico’s 72nd birthday
  • March 17 - Sadie’s 4th birthday
  • June
    • Carter’s 6th birthday
    • June 3 - Piper’s 6th birthday
    • June 5 - Frank’s 6th birthday
  • July
    • July 1 - Jason’s 6th birthday
    • July 7 - Leo’s 6th birthday
    • July 12 - Annabeth’s 7th birthday
  • August
    • August 18 - Percy’s 7th birthday
    • August 23 - Will’s 5th birthday
  • Luke’s 13th birthday
  • November 23 - Thanksgiving
    • Frederick, Natalie, and Randolph Chase argue
    • Annabeth tells Magnus she’s going to run away
  • December
    • December 17 - Hazel’s 72nd birthday
    • December 22 - Thalia’s 13th birthday
  • Bianca’s 74th birthday
  • Alex’s 6th birthday
  • Samirah’s 6th birthday
  • Annabeth runs away (?)

2001

  • January
    • January 13 - Magnus’s 6th birthday
    • January 28 - Nico’s 73rd birthday
  • Annabeth runs away (?)
  • February 11 - sunset at 7:03 P.M.
    • Thalia and Luke escape Halcyon Green’s house
    • Thalia and Luke find Annabeth
  • Luke takes Thalia and Annabeth to his mom’s house where he meets Hermes
  • Grover finds Thalia, Luke, and Annabeth and guides them to Camp Half-Blood
    • Thalia turns into a tree
  • March 17 - Sadie’s 5th birthday
  • June
    • Carter’s 7th birthday
    • June 3 - Piper’s 7th birthday
    • June 5 - Frank’s 7th birthday
  • July
    • July 1 - Jason’s 7th birthday
    • July 7 - Leo’s 7th birthday
    • July 12 - Annabeth’s 8th birthday
  • August
    • August 18 - Percy’s 8th birthday
    • August 23 - Will’s 6th birthday
  • Luke’s 14th birthday
  • Camp Half-Blood’s bead is a pine tree
  • December
    • December 17 - Hazel’s 73rd birthday
    • December 22 - Thalia’s 14th birthday
  • Bianca’s 75th birthday
  • Alex’s 7th birthday
  • Samirah’s 7th birthday

2002

  • January
    • January 13 - Magnus’s 7th birthday
    • January 28 - Nico’s 74th birthday
  • March 17 - Sadie’s 6th birthday
    • The exploding birthday cake
  • June
    • Carter’s 8th birthday
    • June 3 - Piper’s 8th birthday
    • June 5 - Frank’s 8th birthday
  • July
    • July 1 - Jason’s 8th birthday
    • July 7 - Leo’s 8th birthday
    • July 12 - Annabeth’s 9th birthday
  • August
    • August 18 - Percy’s 9th birthday
    • August 23 - Will’s 7th birthday
  • Luke’s 15th birthday
  • Camp Half-Blood’s bead is a centaur in a prom dress
  • December
    • December 17 - Hazel’s 74th birthday
    • December 22 - Thalia’s 15th birthday
  • Bianca’s 76th birthday
  • Alex’s 8th birthday
  • Samirah’s 8th birthday

2003

  • January
    • January 13 - Magnus’s 8th birthday
    • January 28 - Nico’s 75th birthday
  • March 17 - Sadie’s 7th birthday
  • June
    • Carter’s 9th birthday
    • June 3 - Piper’s 9th birthday
    • June 5 - Frank’s 9th birthday
  • July
    • July 1 - Jason’s 9th birthday
    • July 7 - Leo’s 9th birthday
    • July 12 - Annabeth’s 10th birthday
  • August
    • August 18 - Percy’s 10th birthday
    • August 23 - Will’s 8th birthday
  • Luke’s 16th birthday
  • Camp Half-Blood’s bead is a Greek trireme on fire
  • December
    • December 17 - Hazel’s 75th birthday
    • December 22 - Thalia’s 16th birthday
  • Bianca’s 77th birthday
  • Alex’s 9th birthday
  • Samirah’s 9th birthday

2004

  • January
    • January 13 - Magnus’s 9th birthday
    • January 28 - Nico’s 76th birthday
  • March 17 - Sadie’s 8th birthday
  • June
    • Carter’s 10th birthday
    • June 3 - Piper’s 10th birthday
    • June 5 - Frank’s 10th birthday
  • July
    • July 1 - Jason’s 10th birthday
    • July 7 - Leo’s 10th birthday
    • July 12 - Annabeth’s 11th birthday
  • August
    • August 18 - Percy’s 11th birthday
    • August 23 - Will’s 9th birthday
  • Luke’s 17th birthday
  • Luke is given a quest to steal an apple from the Gardens of Hesperides
  • Camp Half-Blood’s bead is UNKNOWN
    • Possibly something to do with Luke’s quest
  • December
    • December 17 - Hazel’s 76th birthday
    • December 22 - Thalia’s 17th birthday
  • Bianca’s 78th birthday
  • Alex’s 10th birthday
  • Samirah’s 10th birthday

2005

  • January
    • January 13 - Magnus’s 10th birthday
    • January 28 - Nico’s 77th birthday
  • March 17 - Sadie’s 9th birthday
  • June
    • Carter’s 11th birthday
    • June 3 - Piper’s 11th birthday
    • June 5 - Frank’s 11th birthday
  • July
    • July 1 - Jason’s 11th birthday
    • July 7 - Leo’s 11th birthday
    • July 12 - Annabeth’s 12th birthday
  • August
    • August 18 - Percy’s 12th birthday
    • August 23 - Will’s 10th birthday
  • Luke’s 18th birthday
  • Camp Half-Blood’s bead is UNKNOWN
  • December
    • December 17 - Hazel’s 77th birthday
    • December 21 - Winter Solstice; Master Bolt and Helm of Darkness stolen by Luke
    • December 22 - Thalia’s 18th birthday
  • Bianca’s 79th birthday
  • Alex’s 11th birthday
  • Samirah’s 11th birthday
  •  

2006

  • January
    • January 13 - Magnus’s 11th birthday
    • January 28 - Nico’s 78th birthday
  • March 17 - Sadie’s 10th birthday
  • May - Yancy field trip
    • Percy kills Mrs. Dodds
  • June
    • Carter’s 12th birthday
    • June 3 - Piper’s 12th birthday
    • June 5 - Frank’s 12th birthday
    • June 10 - Poseidon claims Percy
    • June 11 - Percy, Annabeth, and Grover begin their quest for Master Bolt
      • They battle the Furies in New Jersey
      • Percy kills Medusa
    • June 13 - Percy confronts Echidna and the Chimera at the St. Louis Arch
    • June 14 -The quest for Master Bolt continues
      • Percy meets Ares
      • On the way to Las Vegas, Percy learns the true story of Thalia's sacrifice
      • Annabeth discusses her home life
      • Annabeth and Percy begin to form a bond
    • June 15 - Percy, Annabeth, and Grover arrive at the Lotus Hotel and Casino
    • June 20 - Percy, Annabeth, and Grover leave the Lotus Hotel and Casino
      • They enter the Underworld and meet Hades
    • June 21 - Percy duels Ares for Master Bolt and for the Helm of Darkness
      • They fly back to New York
      • Percy goes to Olympus to return the bolt
      • Annabeth and Grover return to Camp Half-Blood
    • June 28 - Gabe disappears and Sally sells a statue
  • July
    • July 1 - Jason’s 12th birthday
    • July 7 - Leo’s 12th birthday
    • July 12 - Annabeth’s 13th birthday
  • August
    • August 18 - Percy’s 13th birthday
    • August 23 - Will’s 11th birthday
  • Luke’s 19th birthday
  • Camp Half-Blood’s bead is a lightning bolt
  • Luke attempts to kill Percy with a Pit Scorpion
  • December
    • December 17 - Hazel’s 78th birthday
    • December 22 - Thalia’s 19th birthday
  • Bianca’s 80th birthday
  • Alex’s 12th birthday
  • Samirah’s 12th birthday
  • Hades brings Bianca and Nico out of the Lotus Hotel and Casino

2007

  • January
    • January 13 - Magnus’s 12th birthday
    • January 28 - Nico’s 79th birthday
    • January 28 - Nico’s 11th birthday
  • March 17 - Sadie’s 11th birthday
  • June
    • Carter’s 13th birthday
    • June 3 - Piper’s 13th birthday
    • June 4 - Percy, Annabeth, and Tyson sneak out of Camp and board the Princess Andromeda
    • June 5 - Frank’s 13th birthday
    • June 18 - arrive in Miami after Sea of Monsters
      • Percy sends Clarisse back to Camp Half-Blood with the Golden Fleece.
      • Luke, Agrius, and Oreius forcibly bring Percy, Annabeth, Grover, and Tyson to Princess Andromeda.
      • Percy duels Luke aboard Princess Andromeda.
      • Percy, Annabeth, Grover, and Tyson are rescued by Chiron and the Party Ponies.
      • Blackjack is freed from servitude to Luke, and Percy, Annabeth, Grover, and Tyson escape with the centaurs.
  • July
    • July 1 - Jason’s 13th birthday
    • July 7 - Leo’s 13th birthday
    • July 12 - Annabeth’s 14th birthday
  • August
    • August 18 - Percy’s 14th birthday
    • August 23 - Will’s 12th birthday
  • Luke’s 20th birthday
  • Camp Half-Blood’s bead is a Golden Fleece
  • September - stolen chariot events
  • December
    • December 14 - Percy, Thalia, and Annabeth enter Westover Hall to retrieve two demigods
      • Thalia, Percy, and Annabeth meet up with Grover, who has been tracking Nico and Bianca.
      • Annabeth is captured by Dr. Thorn.
      • Bianca becomes a Hunter of Artemis.
    • December 15 - Artemis sets out on a hunt, leaving Zoë in charge of the Hunters. Her twin brother, Apollo, arrives to escort Percy, Thalia, Grover, Nico, Bianca and the Hunters to Camp Half-Blood.
    • December 16 - Following a traditional Capture the Flag match with the Hunters of Artemis, Percy, and Thalia have a confrontation. They are interrupted by the Oracle of Delphi, who gives Zoë her prophecy.
      • At a camp counsellor meeting, Zoë chooses the other four questers: Bianca, Phoebe, Thalia, and Grover. Phoebe, however, is incapacitated, having been given a shirt smeared with centaur's blood, and Zoë decides to go on without her.
    • December 17 - The quest for Artemis begins
      • Early in the morning, Percy unknowingly rescues the Ophiotaurus.
      • Zoë, Bianca, Thalia, Grover, and Percy begin their quest to save Artemis and Annabeth
        • They fight the Nemean Lion at the Smithsonian
    • December 18 - They arrive in Cloudcroft, New Mexico
      • Pan sends the Erymanthian Boar
      • Percy meets with Aphrodite and confronts Ares.
      • Bianca is killed when she destroys Talos in the Junkyard of the Gods.
    • December 19 - Zoë reveals to Percy that she was once a Hesperid
      • At Hoover Dam, they are ambushed by Skeleton Warriors
      • Percy meets Rachel Dare.
      • They escape with the help of bronze angels sacred to Zeus.
    • December 20 - The quest to rescue Artemis is completed.
      • Luke has a fall that would've killed him if he did not bear the Curse of Achilles
      • Percy, Grover, Thalia, and Zoë rescue Artemis and Annabeth
      • Atlas is trapped under the sky again.
    • December 21 - Zoë dies
      • A new constellation is formed by Artemis from Zoë’s body, known as "the Huntress."
      • Thalia becomes the new lieutenant of the Hunters of Artemis, declaring Percy as the child of the Great Prophecy.
      • Nico runs away from camp.
    • December 17 - Hazel’s 79th birthday
    • December 22 - Thalia’s 20th birthday
    • December 22 - Thalia’s 16th birthday
      • As a Hunter, she will never reach 16 years old until she breaks her vow
  • Bianca’s 81st birthday
  • Bianca’s 13th birthday
    • May or may not have turned 13 before her death
  • Alex’s 13th birthday
  • Samirah’s 13th birthday

2008

  • January
    • January 13 - Magnus’s 13th birthday
    • January 28 - Nico’s 80th birthday
    • January 28 - Nico’s 12th birthday
  • March 17 - Sadie’s 12th birthday
  • June
    • Carter’s 14th birthday
    • June 3 - Piper’s 14th birthday
    • June 5 - Frank’s 14th birthday
    • June 6 - Quest for Daedalus
      • Percy, Annabeth, Grover, and Tyson venture into the Labyrinth
    • Tyson freed Briares
    • June 12 - They arrive at Geryon’s Ranch
      • They find Nico
      • Percy cleans the stables
    • June 13 - Percy and Grover discuss the fact that seven days have passed since they first entered the Labyrinth
      • Percy gives Grover a pep talk on the quest for Pan.
      • They leave the ranch and go back into the Labyrinth
    • June 25 - Percy and Annabeth ask Rachel Dare to guide them through the Labyrinth
    • June 27 - The Battle of the Labyrinth
      • Lee Fletcher and Castor die
      • Daedalus dies and gives his laptop to Annabeth and Mrs. O’Leary to Percy
  • July 
    • July 1 - Jason’s 14th birthday
    • July 4 - Quest for the Bronze Dragon
      • Percy, Beckendorf, Silena, and Annabeth find the dragon and fix it up
      • Beckendorf is taken by Myrmekes
      • Silena and Beckendorf get together
      • Percy and Annabeth watch the fireworks together
    • July 7 - Leo’s 14th birthday
    • July 12 - Annabeth’s 15th birthday
  • August 
    • August 18 - Percy’s 15th birthday
      • Nico tells Percy about the Curse of Achilles
      • Percy tells Paul about the Greek gods
    • August 23 - Will’s 13th birthday
  • Luke’s 21st birthday
  • Camp Half-Blood’s bead is a Labyrinth maze
  • December
    • December 17 - Hazel’s 80th birthday
    • December 22 - Thalia’s 21st birthday
    • December 22 - Thalia’s 17th birthday
    • December 24 - Christmas Eve
      • Julius Kane tries to summon Osiris using the Rosetta Stone as an anchor in the British Museum, London, but accidentally he summons Set, Horus, Nephthys, and Isis
      • Amos Kane is revealed to be Carter Kane and Sadie Kane's uncle and takes them to the family mansion in Brooklyn.
      • Percy, Thalia, and Nico are summoned to the Underworld by Persephone
      • Percy erases Iapetus’ memories and renames him Bob
      • Ethan escapes without the Sword of Hades
      • Nico decided to stay in the Underworld to get closer to his father and Nico asks Percy if he’s thought about his offer to bear the curse of Achilles
    • December 25 - Christmas Day
      • Carter and Sadie decide to go to the forbidden library to search for things about their dad's suspicious death and the Demon Days
      • Set send monsters to attack the mansion
      • Muffin, Sadie's pet cat, is revealed to be the cat goddess, Bast.
      • Carrier demons and Serqet, the scorpion goddess, go after them. Bast distracts the goddess that is defeated by Zia Rashid and her magic ribbons.
      • Zia makes a portal to take the Kane Siblings to the First Nome of the House of Life in Egypt.
    • December 27 - The first Demon Day (Osiris)
    • December 28 - The second Demon Day (Horus)
    • December 29 - The third Demon Day (Set)
      • Carter and Sadie stop Set
    • December 30 - The fourth Demon Day (Isis)
    • December 31 - The fifth Demon Day (Nephthys)
  • Alex’s 14th birthday
  • Samirah’s 14th birthday
  • Frost giant attacks Malcolm X Middle School
    • Samirah lures it to the roof and pushes him off the roof to save the students
    • Odin is impressed and makes Samirah a Valkyrie

2009

  • January
    • January 13 - Magnus’s 14th birthday
    • January 28 - Nico’s 81st birthday
    • January 28 - Nico’s 13th birthday
  • March
    • Throne of Fire events
    • March 17 - Sadie’s 13th birthday
      • Sadie and her friends are attacked by Babi and Nekbeth
  • June
    • Carter’s 15th birthday
    • June 3 - Piper’s 15th birthday
    • June 5 - Frank’s 15th birthday
  • July
    • July 1 - Jason’s 15th birthday
    • July 7 - Leo’s 15th birthday
    • July 12 - Annabeth’s 16th birthday
  •  August
    • August 12 - Percy and Beckendorf blow up Princess Andromeda
    • August 13 - Percy arrives in Atlantis
      • Poseidon sends Percy back to Camp Half-Blood
      • Counselor meeting where the Great Prophecy is read
    • August 14 - Beckendorf’s shroud is burned
      • Nico takes Percy to May Castellan’s
      • Hestia sends Nico and Percy to Sally and Paul
      • Sally gives her blessing
    • August 15 - Nico takes Percy to the Underworld to get the Achilles Curse
      • Percy calls Annabth to bring Camp Half-Blood to the Empire State Building
      • The city of Manhattan falls asleep due to Morpheus' enchantment
      • Percy goes to ask the sea spirits for help
    • August 16 - The Battle of Manhattan begins.
      • Michael Yew goes M.I.A
      • Rachel Elizabeth Dare leaves for vacation.
      • Prometheus gives Percy Pandora’s Pithos
    • August 17 - The second day of the Battle of Manhattan.
      • The Clazmonian Sow is unleashed. It is later killed by a Hermes statue and two stone lion statues.
      • Hyperion and his army attack at the Central Park reservoir.
    • August 18 - Percy’s 16th birthday
      • Titan Army loses the Second Olympian War.
      • Kronos' scythe, a.k.a. Backbiter is destroyed by the Olympian goddess Hestia.
      • Ethan Nakamura betrays the Titans
      • Luke stabs himself to destroy Kronos.
      • Kronos is scattered and will most likely never be able to reform again.
      • Percy and the Greek demigod forces successfully fend off the Titan Army from Manhattan and save Olympus.
      • Jason and the Roman demigod forces destroy the Titan base at Mount Othrys, with Jason defeating Krios with his own hands.
      • Hades and his Undead Army successfully defend the Empire State Building from the remaining Titan forces.
      • Poseidon and his Aquatic Army help defeat Typhon.
      • Rachel Elizabeth Dare becomes the new Oracle of Delphi after the curse is lifted by Hades.
      • Percy makes the Olympians swear on the River Styx to claim their children by the age of thirteen, give Hades and the minor gods thrones on Olympus, cabins at Camp Half-Blood, and to never make a pact of the Big Three again.
      • The Prophecy of Seven is revealed.
      • The Great Prophecy is fulfilled.
      • Percy and Annabeth start dating
    • August 23 - Will’s 14th birthday
  • Luke’s 22nd birthday
  • Camp Half-Blood’s bead is the Empire State Building and the names of the dead demigods
  • September
    • The Serpent’s Shadow events
    • Thanatos is chained, the Doors of Death are opened, Hazel is brought to Camp Jupiter
    • September 15 - Aeolus orders demigods be killed
    • September 18 - Hermes caduceus
  • October - Jason disappears
  • November - Olympus closes
  • December
    • December 14 - Percy disappears
    • December 17 - Jason, Piper, and Leo show up at Camp Half-Blood
    • December 17 - Hazel’s 81st birthday
      • Technically also Hazel's 14th birthday, but due to her death, it wasn't counted
    • December 18 - Quest for Hera begins
    • December 22 - Thalia’s 22nd birthday
    • December 22 - Thalia’s 18th birthday
    • December 24 - Quest for Buford
  • Alex’s 15th birthday
  • Samirah’s 15th birthday

2010

  • January
    • January 13 - Magnus’s 15th birthday
    • January 28 - Nico’s 82nd birthday
    • January 28 - Nico’s 14th birthday
  • March 17 - Sadie’s 14th birthday
  • April - Percy wake at wolf house
  • June
    • Carter’s 16th birthday
    • June 3 - Piper’s 16th birthday
    • June 5 - Frank’s 16th birthday
    • June 19 - Percy carries Juno across the Little Tiber and enters Camp Jupiter.
      • He is accepted into the camp by Octavian
      • Percy is accepted into the Fifth Cohort by Dakota.
      • The Fifth Cohort wins their first war game in a long time.
      • Frank is claimed by the god Mars and is given the quest to free Thanatos.
    • June 20 - Percy, Hazel, and Frank begin their quest to rescue Thanatos.
      • Karpoi captures Hazel, but she is quickly rescued.
      • Iris repels the forces of Polybotes and Percy, Hazel, and Frank enter her shop.
      • With the help of Gray the spartus, Frank defeats the basilisks.
      • Hazel and Percy report the Giant Army to Praetor Reyna.
      • Iris leads them to Portland to find Phineas.
    • June 21 - Percy, Hazel, and Frank travel to Portland, Oregon.
      • They meet Ella the harpy and rescue her from Phineas.
      • After they defeat Phineas, Percy’s memory begins to return.
    • June 22 - Percy, Hazel, and Frank meet Queen Hylla of the Amazons.
      • Hylla helps them escape on Arion discreetly.
      • Otrera challenges Hylla for control of the Amazons. Hylla kills her.
    • June 23 - Frank, Hazel, and Percy arrive at Grandma Zhang's house in Canada.
      • They fight off Laistrygonian Giants surrounding the house.
      • They escape the house and fly to Alaska.
      • Percy, Hazel, and Frank arrive in Alaska.
      • Frank uses his last spartus against a group of Gryphons.
      • Percy develops a fear of drowning after falling into Muskeg.
    • June 24 - The quest to free Thanatos is completed.
      • Frank and Hazel defeat Alcyoneus.
      • Percy leads the Roman army and defeats giant Polybotes.
      • Percy becomes the new praetor of Camp Jupiter.
    • June 25, 2010 - Demigods from Camp Half-Blood arrive at Camp Jupiter to discuss how to defeat the Gigantes and Gaea.
      • Jason, Percy, Piper, Leo, Hazel, Frank, and Annabeth are forced to flee after Leo was possessed by an Eidolon and attacked Camp Jupiter using the Argo II.
      • Camp Jupiter declares war on Camp Half-Blood, causing another Civil War.
      • Jason, Percy , Hazel, and Frank become fugitives of New Rome.
      • Leo and Hazel meet Nemesis, who offers her help for a price and gives Leo a fortune cookie.
      • Hazel and Leo fight Narcissus and his followers for a Celestial Bronze shield.
    • June 26 - Percy, Jason, and Piper meet Bacchus in Topeka, Kansas. The eidolons possess Percy and Jason, causing them to fight. With the help of Blackjack, Piper breaks them up.
      • Using her charmspeak, Piper ensures the eidolons would not linger on the Argo II.
    • June 27 - Percy, Frank, and Gleeson Hedge confront Keto and Phorcys in Atlanta.
    • June 28 - The crew of the Argo II arrives in Charleston, South Carolina.
      • Annabeth, Piper, and Hazel meet with Aphrodite in Charleston.
      • Roman Demigods, led by Octavian, soon arrive and wage war against the fugitives.
      • Reyna lets Annabeth go, but warns her that she would have no choice but to order an attack on Camp Half-Blood.
      • The Argo II heads to the Mediterranean Sea.
    • June 29 - The Argo II sails across the Atlantic Ocean.
      • The ship is ambushed by a Skolopendra.
      • Leo, Hazel, and Frank discover Camp Fish-Blood.
    • June 30 - The Argo II arrive at the Mare Nostrum.
      • Jason and Piper face Hercules and Achelous.
      • The Argo II enters the Mare Nostrum.
      • Later, Percy and Annabeth defeat Chrysaor, the son of Medusa and Poseidon.
  • July
    • July 1 - Jason’s 16th birthday
      • Annabeth completes her mission for the Athena Parthenos.
      • Percy, Jason, and Piper rescue Nico
      • Percy and Jason kill the giants Ephialtes and Otis, with the help of the god Bacchus.
      • Leo, Frank, and Hazel recover the works of Archimedes.
      • Percy and Annabeth fall into Tartarus after Arachne drags Annabeth to the edge of the pit and Percy tries to save her.
      • Percy tells Nico to lead the others to the Doors of Death on the mortal side, located in the House of Hades.
    • July 5 - The quest of the Seven continues.
      • Leo realizes, from clips of Camp Half-Blood on the ship, that it is the day after Independence Day.
      • Leo dreams about Gaea and a shadowy figure later revealed to be Clytius.
      • Leo, Jason, Piper, Hazel, Frank, and Nico discuss their quest and Leo’s dream - including Clytius. Nico reveals that fire is Clytius's weakness.
      • The meeting is interrupted when the Argo II is invaded by the Kerkopes.
      • Leo and Jason chase down the Kerkopes and apprehend them. They retrieve their stolen supplies - as well as a book stolen from Triptolemus - and Leo makes the Kerkopes promise to harass the Romans in New York.
    • July 7 - Leo’s 16th birthday
    • July 12 - Annabeth’s 17th birthday
    • July 18 - The quest to close the Doors of Death ends.
      • Frank leads a legion of Roman spirits to victory against Gaea's forces in the House of Hades.
      • Jason steps down as praetor, promoting Frank in his wake.
      • Hazel and Leo are trapped behind a boulder during the battle.
      • Hazel defeats the sorceress Pasiphaë, countering the immortal's magic with her own.
      • With the help of Hecate, Hazel defeats the Giant Clytius.
      • Percy and Annabeth escape from Tartarus, with the help of the Titan Iapetus and the Giant Damasen.
      • Reyna arrives in Greece; she, Nico, Gleeson Hedge, and the Seven discuss the war. They form a mutual hatred of Octavian, upon learning that he defied her decree.
      • Reyna begins her quest, with Nico and Hedge, to return the Athena Parthenos to the Greeks.
  • August
    • August 1 - Feast of Spes, Roman goddess of hope
      • During the second Gigantomachy, this is the intended day of Gaea's awakening.
      • Gaea awakens due to the blood of Annabeth and Percy.
    • August 18 - Percy’s 17th birthday
    • August 23 - Will’s 15th birthday
  • Camp Half-Blood’s bead is UNKNOWN
    • Possibly something to do with the Greek/Roman friendship
    • Possibly honoring Leo’s sacrifice
  • September - Carter and Percy meet
    • The Son of Sobek
  • November - Sadie and Annabeth meet
    • The Staff of Serapis
  • December
    • Percy and Annabeth call Carter and Sadie
      • The Crown of Ptolemy
    • December 17 - Hazel’s 82nd birthday
    • December 17 - Hazel's 14th birthday
    • December 22 - Thalia’s 23rd birthday
    • December 22 - Thalia’s 19th birthday
  • Alex’s 16th birthday
  • Samirah’s 16th birthday

2011

  • January
    • January 13 - Magnus’s 16th birthday
      • Annabeth and Frederick look for Magnus
      • Randolph shows Magnus where the Sword of Summer is
      • Magnus dies and Samirah takes him to Valhalla
    • January 28 - Nico’s 83rd birthday
    • January 28 - Nico’s 15th birthday
    • The Hidden Oracle and The Sword of Summer
  • February - The Dark Prophecy
  • March
    • The Burning Maze and The Hammer of Thor
      • Jason dies
      • Alex dies and goes to Valhalla
    • March 17 - Sadie’s 15th birthday
  • April - The Tyrant’s Tomb
  • June
    • The Tower of Nero and The Ship of the Dead
    • Carter’s 17th birthday
    • June 3 - Piper’s 17th birthday
    • June 5 - Frank’s 17th birthday
    • June 21 - Magnus and the crew of the Big Banana arrive to beat Loki and his crew and stop Naglfar from sailing.
      • Magnus beats Loki in a flyting (war of words).
      • Mallory traps Loki in a magical walnut.
      • The crew meets the gods at Vigridr to discuss the fate of the worlds.
  • July
    • July 7 - Leo’s 17th birthday
    • July 12 - Annabeth’s 18th birthday
  • August
    • August 18 - Percy’s 18th birthday
    • August 23 - Will’s 16th birthday
  • Camp Half-Blood’s bead is UNKNOWN
  • December 17 - Hazel’s 83rd birthday
  • December 17 - Hazel's 15th birthday
  • December 22 - Thalia’s 24th birthday
  • December 22 - Thalia’s 20th birthday
  • Alex’s 17th birthday
  • Samirah’s 17th birthday