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Birth of Hazel Levesque
Hazel Levesque is born in New Orleans, Louisiana. -
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Birth of Bianca di Angelo
Bianca di Angelo, born in Venice, Italy, is approximately two years older than her younger brother Nico. -
Birth of Nico di Angelo
Nico di Angelo is born in Venice, Italy. -
Reveal of the Great Prophecy and Institution of the Pact of the Big Three
Approximately around the time of the Tripartite Pact between the Axis powers, when Japan officially joins World War II. -
Death of Maria di Angelo, Transport of Nico and Bianca to the Lotus Hotel and Casino, the Oracle is Cursed by Hades
Approximately around the time of Japan's attack on Pearl Harbor. -
Pluto Visits Marie and Hazel, They Move to Alaska
He gives Hazel a set of colored pencils and a sketch pad for her birthday, and apologizes for her curse. The next day, Marie and Hazel move to Alaska. -
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Death of Marie and Hazel Levesque
Marie dies when she attempts to resurrect the titan Alcyoneus under Gaea's control. -
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Birth of Sally Jackson
Sally was born in the early to mid-1970s. -
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Death of Sally Jackson's Parents
Sally's parents Jim and Laura died in a plane crash 150 miles south of Lake Ontario at 3 A.M. She was raised by her uncle Rich Jackson. -
Birth of Grover Underwood
Grover has an uncle named Ferdinand. -
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Fifth Cohort Vanishes in Alaska
Michael Varus leads the Fifth Cohort to Alaska and never returns. -
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Death of Sally Jackson's Uncle
Rich Jackson dies of cancer while she’s in her senior year of high school. -
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Birth of Luke Castellan
Luke is born in in Westport, Connecticut, to May Castellan. -
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May Castellan Tries to Host the Spirit of the Oracle
May Castellan tries and fails to become the new Oracle, leading to her eventual descent into madness. -
Birth of Thalia Grace
Thalia was born to Beryl Grace, a TV starlet who became unstable and an alcoholic when her lover Zeus left her. She is around 7 years older than her younger brother Jason at the time of his birth. -
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Poseidon and Sally Jackson Meet and Fall in Love
Poseidon meets Sally Jackson and establish a relationship through which Percy is conceived. -
Birth of Annabeth Chase
Annabeth is born from the thoughts of Athena as a gift for Frederick Chase. -
Birth of Percy Jackson
Percy was born in New York City to Sally Jackson. -
Birth of Frank Zhang
Frank was born in Vancouver, Canada to Emily Zhang. -
Birth of Jason Grace
Jason was born to Beryl Grace, a TV starlet who became unstable and an alcoholic after her lover Zeus left her. He's 7 years younger than his sister Thalia at the time of his birth. -
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Birth of Piper McLean and Leo Valdez
Piper was born to Tristan McLean. Leo was born in Houston, Texas to Esperanza Valdez. -
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Jason Becomes Hera's Ward, Thalia Runs Away and Meets Luke
After being handed to Hera by his mother, Jason trains with Lupa and arrives at Camp Jupiter. Thinking her little brother died, Thalia grows angry and runs away from home, meeting Luke shortly after. -
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Sally Jackson Marries Gabe Ugliano
Sally marries Gabe Ugliano so that his scent can hide her son Percy from the monsters that normally attack demigods. -
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Annabeth Runs Away, Meets Luke, Grover & Thalia, Zeus Turns Thalia into a Pine Tree
Annabeth runs away from home, encounters Luke, Grover and Thalia. As they arrive at Camp Half-Blood, they are attacked by a cyclops and Thalia is turned into a tree. -
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Death of Esperanza Valdez
Esperanza died in a fire in her mechanic shop started by her son Leo. After her death, Leo was put in foster care. -
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Percy Starts at Yancy Academy
Mrs. Dodds teaches pre-algebra at Yancy Academy. Percy starts studying there. -
Luke Steals Zeus' Master Bolt
Luke steals Zeus' master bolt, becoming the book's titular Lightning Thief. -
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Mrs. Dodds Attacks Percy Jackson
Mrs. Dodds attacks Percy at the museum. -
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Sally Jackson is Kidnapped during Minotaur Attack, Percy Reaches Camp
Percy is kicked out of Yancy Academy, then after a trip to Montauk with his mother he is attacked by the Minotaur and brought to Camp Half-Blood for the first time. Sally Jackson is kidnapped by Hades. -
Frank Zhang Turns 12
Frank Zhang turns 12 years old. He's still living in Canada with his family. -
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Percy's First Quest
Percy, Annabeth and Grover set off on a quest to recover Zeus' master bolt, clear Percy's name and stop a war between the gods. -
Percy Jackson Returns Zeus' Master Bolt
Percy returns the master bolt to Zeus on Olympus and meets his father for the first time. -
Percy Jackson Fights Ares
Percy Jackson duels Ares for the Master Bolt and for the Helm of Darkness, and wins. -
Jason Grace Turns 12
Jason Grace turns 12 years old. He's still at Camp Jupiter. -
Annabeth Chase Turns 13
Annabeth Chase turns 13 years old. -
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Luke is Revealed as the Lightning Thief
Luke is revealed to be a traitor and disappears from Camp Half-Blood. -
Percy Turns 13
Percy Jackson turns 13 years old. -
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Percy Meets Tyson
Percy meets Tyson at Meriweather Prep. He doesn't yet know Tyson's his brother. -
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Bianca and Nico Leave the Lotus Hotel and Casino
Bianca and Nico di Angelo are pulled out of the Lotus Casino and Hotel, and enrolled in school by Alecto the Fury. -
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Hylla and Reyna Leave Circe's Island
Hylla and Reyna escape from Circe’s island and go their separate ways. Hylla joins the Amazons and Reyna ends up at Camp Jupiter. -
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Percy's Second Quest
Grover is kidnapped. Luke poisons Thalia’s pine tree. Annabeth, Percy, Tyson and Clarisse go on a quest to the Sea of Monsters to find the Golden Fleece and rescue Grover. Percy and Annabeth encounter Hylla on Circe’s island. Thalia is resurrected. -
Frank Zhang Turns 13
Frank Zhang turns 13 years old. He's still living in Canada with his family. -
Jason Grace Turns 13
Jason Grace turns 13 years old. He's still at Camp Jupiter. -
Annabeth Chase Turns 14
Annabeth Chase turns 14 years old. -
Percy Jackson Turns 14
Percy Jackson turns 14 years old. -
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Clarisse Explores the Labyrinth
In late 2007/early 2008, Clarisse explores the Labyrinth. -
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Percy & co. Meet Nico, Bianca and the Hunters of Artemis, Annabeth Disappears
In early December, Percy meets Nico, Bianca, and the Hunters for the first time. Annabeth is kidnapped. Sally starts dating Paul. -
Death of Bianca di Angelo
Bianca di Angelo dies while trying to acquire a Mythomagic figurine for her little brother. -
Death of Zoe Nightshade, Thalia Joins the Hunters of Artemis
Percy meets Rachel Elizabeth Dare for the first time. Zoe Nightshade dies. Thalia joins the Hunters one day short of turning 16. -
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Silena Becomes a Spy for Luke
In early 2008, Silena is recruited as a spy. -
Nico di Angelo Turns 12
Nico di Angelo turns 12 years old. He escaped into the labyrinth after his sister's death. -
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Luke Asks Annabeth to Run Away with Him
In early spring 2008, Luke visits Annabeth and asks her to run away with him. -
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Battle of the Labyrinth
In early June, Percy meets Rachel Elizabeth Dare again. Annabeth starts the quest in the labyrinth. In mid-June, Percy is stranded on Calypso’s island for two weeks. In late June, Luke’s body is taken over by Kronos. The Battle of the Labyrinth occurs, in which Lee Fletcher and Castor die. -
Frank Zhang Turns 14
Frank Zhang turns 14 years old. He's still living in Canada with his family. -
Jason Grace Turns 14
Jason Grace turns 14 years old. He's still at Camp Jupiter. -
Festus is Found and Activated
Festus is discovered and turned on. Percy and Annabeth attend the fireworks together. -
Annabeth Chase Turns 15
Annabeth Chase turns 15 years old. -
Percy Jackson Turns 15
Percy Jackson turns 15 years old. -
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Nico Finds Camp Jupiter
In late 2008/early 2009, Nico discovers and visits Camp Jupiter for the first time. Sally marries Paul Blofis. -
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Sword of Hades Quest
In late December, Nico, Thalia and Percy go to the Underworld on a quest for the sword of Hades. -
Nico di Angelo Turns 13
Nico di Angelo turns 13 years old. He's escaped to the Underworld and travels between camps as ambassador to Pluto after the Battle of the Labyrinth. -
Frank Zhang Turns 15
Frank Zhang turns 15 years old. He's still living in Canada with his family. -
Jason and Reyna are Elected Praetors
Jason and Reyna are elected praetors of Camp Jupiter. -
Jason Grace Turns 15
Jason Grace turns 15 years old. He's a Praetor at Camp Jupiter. -
Annabeth Chase Turns 16
Annabeth Chase turns 16 years old. -
Death of Charles Beckendorf
Charles Beckendorf dies, sacrificing himself to give Percy enough time to avoid the explosion of the Princess Andromeda. Rachel Elizabeth Dare kisses Percy. -
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Battle of Manhattan
Battle of Manhattan takes place. Silena Beauregard, Michael Yew and others die in battle. The Roman Legion storms Mount Othrys, with Jason Grace defeating the titan Krios. -
Death of Luke Castellan
Luke Castellan kills himself in order to stop Kronos from using him to destroy Olympus. Percy turns 16, fulfilling the Great Prophecy. Rachel Elizabeth Dare becomes the Oracle. Percy and Annabeth start dating. -
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Thanatos is Captured by Gaea
Thanatos is captured by Gaia’s forces. This means monsters and titans don't die. Zeus cuts off communication to the demigods and Hera is captured. -
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Nico Brings Hazel Back to Life
Nico finds Hazel in the Underworld and brings her to Camp Jupiter. -
Quest to Recover Hermes' Caduceus
On Percy and Annabeth's 1-month anniversary (which Percy forgets), Hermes asks them to recover his stolen caduceus from Cacus. When the quest is complete, Hermes sends them to Paris for their anniversary date. -
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Jason Disappears
Jason goes missing from Camp Jupiter. -
Percy Disappears
Percy goes missing from Camp Half-Blood. -
Hazel Levesque Skips a Birthday
Hazel Levesque has a birthday, but it seems like she doesn't count that birthday because she turned 13 back in New Orleans, in 1941; therefore she still considers herself to be 13. She's at Camp Jupiter. -
Jason Appears at the Wilderness School
Jason appears on the Wilderness School Bus with no memory. -
Quest to Free Hera Begins
Jason, Leo and Piper leave on their quest to rescue Hera. -
Jason and Thalia are Reunited
Jason and Thalia meet again after over 12 years of separation. -
Jason, Piper and Leo Rescue Hera
Jason, Leo and Piper free Hera, and return to Camp Half-Blood. -
Nico di Angelo Turns 14
Nico di Angelo turns 14 years old. He's still traveling between camps. -
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Death of Emily Zhang, Frank Arrives at Camp Jupiter, Percy Wakes Up
Emily Zhang dies. Frank goes to Lupa and later arrives at Camp Jupiter. Percy wakes up and trains with Lupa, starts making his way to Camp Jupiter but has to deal with gorgons. Coach Hedge marries Mellie the aura. -
Frank Zhang Turns 16
Frank Zhang turns 16 years old. He's a probatio at Camp Jupiter. -
Percy Arrives at Camp Jupiter
Percy arrives at Camp Jupiter after fighting against the gorgons. -
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Quest to Reclaim the Roman Standard
Frank, Hazel and Percy go on quest to get the Roman standard back. Percy’s memory returns. -
Percy is Elected Praetor at Camp Jupiter
Percy is elected as a praetor of Camp Jupiter. -
The Argo II Arrives at Camp Jupiter
Jason, Piper, Leo and Annabeth arrive at Camp Jupiter on the Argo II. Percy and Annabeth reunite. The quest to find the Athena Parthenos begins. -
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Quest to Find the Athena Parthenos
The crew of the Argo II travel to the Mediterranean Sea to find the Athena Parthenos and rescue Nico from the giants. -
Jason Grace Turns 16, the Athena Parthenos is Recovered, Percy and Annabeth Fall into Tartarus
Jason Grace turns 16 years old. He's on the Argo II. The seven (plus Nico) recover the Athena Parthenos. Percy and Annabeth fall into Tartarus. -
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Quest to Close the Doors of Death
Nico leads Hazel, Frank, Jason, Piper and Leo to the Doors of Death in Epyrus. Percy and Annabeth head towards the doors through Tartarus. -
Annabeth Chase Turns 17
Annabeth Chase turns 17 years old. She's at Camp Half-Blood. -
Frank Becomes Praetor, the Doors of Death are Closed
Jason Grace steps down as Praetor of the Roman Legion, promoting Frank Zhang instead. Percy Jackson and Annabeth Chase escape from Tartarus with the help of Damasen and Iapetus (Bob), and the Doors of Death are closed. Nico, Reyna and Coach Hedge set off with the Athena Parthenos to return it to the Greeks and stop the war between the camps. -
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Quest of the Seven
Nico, Reyna and Coach Hedge shadow-travel the Athena Parthenos back to Camp Half-Blood. Percy, Annabeth, Hazel, Frank, Jason, Piper and Leo travel to Athens on the Argo II in order to destroy the Giants but can't stop Gaea from rising. Back at Camp Half-Blood, Leo manages to stop her by sacrificing himself. Peace between the camps is restored. -
Battle of Athens, Battle of Half-Blood Hill
The Seven join forces with the gods to destroy the Giants in Athens. At Camp Half-Blood, the Romans prepare to attack the Greeks. Gaea rises and appears at Half-Blood Hill, where she's taken down by Leo's sacrifice. The prophecy of the Seven is fulfilled. -
Percy Jackson Turns 17
Percy Jackson turns 17 years old. He's at Camp Half-Blood. -
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Apollo is turned into a human and arrives at CHB
Apollo appears in New York in the form of a human teenager named Lester Papadopoulos, and makes his way to Camp Half-Blood with Meg McCaffrey in tow.
