Timeline (Part One)
1864
The First Demigod Civil War takes place.
1920s-1930s
In December 1928, @Hazel Levesque is born to Marie Levesque and Pluto (@Hades).
In 1930, Bianca di Angelo is born to Maria di Angelo and Hades.
In 1932, @Nico di Angelo is born to Maria di Angelo and Hades.
1972
July 21, 1972 - During the Troubles in Belfast, @Mallory Keen dies trying to disarm a car bomb that she set, and is taken to be one of @Odin Borson's chosen warriors in @Hotel Valhalla.
1990s
In 1994, @Luke Castellan is born to May Castellan and @Hermes.
In 1995, @Thalia Grace is born to @Beryl Grace and @Zeus.
July 12, 1998 - @Annabeth Chase is born to @Frederick Chase and @Athena. She is flown to her father in a golden cradle by the god Zephyros.
August 18, 1998 - @Percy Jackson is born to @Sally Jackson and @Poseidon.
June 5, 1999 - @Frank Zhang is born to Mars (@Ares) and Emily Zhang.
July 1, 1999 - @Jason Grace is born to Jupiter (@Zeus) and @Beryl Grace.
Sometime between 1999 and 2000:
@Piper McLean is born to @Aphrodite and @Tristan McLean.
@Leo Valdez is born to @Hephaestus and Esperanza Valdez.
@Reyna Ramírez-Arellano is born to Bellona and Julian Ramírez-Arellano.
January 13, 2001 - @Magnus Chase is born to @Natalie Chase and @Freyr.
During an unspecified date in 2001, @Samirah al-Abbas is born to Ayesha al-Abbas and @Utgard-Loki.
Also in 2001, @Alex Fierro is born to @Utgard-Loki and Mr. Fierro.
In 2002, @Will Solace is born to @Apollo and Naomi Solace.
In 2009, campers from @Camp Half-Blood take a field trip to Olympus; Luke Castellan sneaks into the gods’ throne room and steals the @Master Bolt and the @Helm of Darkness.
2010
June 2010
@Percy Jackson and @Grover Underwood go to the @The Metropolitan Museum of Art on a school trip. Percy kills @Alecto for the first time and discovers his demigodly heritage as the son of @Poseidon.
The Quest for the Master Bolt takes place as Percy and Grover join @Annabeth Chase as a questing party.
They face Alecto, Megaera, Tisiphone, and @Medusa in @New Jersey.
Percy confronts Echidna and the Chimera at the @Gateway Arch.
Percy Jackson meets @Ares, God of War.
Percy, Annabeth, and Grover arrive at the @Lotus Hotel and Casino. They do not leave until June 20, five days later.
Percy, Annabeth, and Grover enter the @Underworld and meet Hades.
Percy Jackson duels Ares for Master Bolt and for the Helm of Darkness, winning the duel.
The Second Titan War starts after Luke reveals his true allegiance to Kronos and abandons Camp Half-Blood.
2011
June 2011
The Quest for the Golden Fleece takes place as @Tantalus chooses @Clarisse La Rue to venture to the Sea of Monsters to heal @Thalia's Tree.
Percy, Annabeth, and @Tyson, Percy's newly claimed half-brother cyclops, sneak out of Camp Half-Blood with Hermes' help and board the Princess Andromeda. Percy and Annabeth learn that the Princess Andromeda is actually a front for the newfound @Titan Army consisting of monsters and rogue demigods recruited by Luke.
Clarisse, Percy, Annabeth, and Tyson arrive at the entrance to the Sea of Monsters and are attacked by @Charybdis and @Scylla.
Percy tricks Luke into revealing that he poisoned Thalia's tree while in contact with Dionysus via Iris message. As a result, Chiron is cleared, and Tantalus is let go and sent back to the Fields of Punishment.
September 2011
Percy helps Clarisse beat @Phobos and @Deimos to retrieve the stolen chariot.
December 2011
Percy Jackson, @Thalia Grace, and Annabeth Chase enter Westover Hall to retrieve two demigods. They meet up with Grover, who has been tracking @Nico di Angelo and Bianca. Annabeth is captured by Dr. Thorn. Bianca becomes a Hunter of Artemis.
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 15, 2011 - The Quest to Rescue Artemis begins and ends on December 20, 2011.
After escaping Skeleton Warriors in Cloudcroft, New Mexico, Zoe, Percy, Thalia, Bianca, and Grover seek help from the Erymanthian Boar. Later, Percy meets with Aphrodite and confronts Ares.
Bianca di Angelo is killed when she destroys a Talos statue in the Junkyard of the Gods.
Zoë Nightshade reveals to Percy that she was once a Hesperid. Later, at Hoover Dam, she, Percy, Thalia, and Grover are ambushed by Skeleton Warriors. Percy meets Rachel Dare. The four questers escape, with the help of bronze angels sacred to Zeus.
Percy, Grover, Thalia, and Zoë Nightshade rescue Artemis and Annabeth Chase from Dr. Thorn, the manticore. Atlas is trapped under the sky again.
2012
June 2, 2012 - Sally Jackson drops Percy off at @Goode High School where he encounters Rachel Elizabeth Dare for the second time and destroys the band room during an attack by the demon-cheerleaders, Tammi and Kelli. Afterwards, he meets Annabeth in the city and they make their way to camp.
June 5, 2012 - The Quest for Daedalus begins; Percy Jackson, Annabeth Chase, Grover Underwood, and Tyson venture into the @Labyrinth.
At @Triple G Ranch, Percy Jackson and Grover Underwood discuss the fact that seven days have passed since they first entered the Labyrinth on the quest. Then Percy gives Grover a pep talk on the quest for Pan.
The group splits up once back in the labyrinth. Grover and Tyson head off to follow the trail of Pan, and Annabeth and Percy head to Hephaestus's forge on @Mount Saint Helens.
Percy causes the volcano to erupt, which sends him to crash on @Ogygia. Annabeth returns to Hephaestus and then to Camp.
June 28th, 2012 - Percy and Annabeth leave Camp and go to New York City to visit Percy's mom, Sally Jackson.
Percy and Annabeth go to meet @Rachel Elizabeth Dare in Times Square, and then they re-enter the maze.
First Week of July 2008 - The group emerges from the maze in New York City and returns to camp to warn them about the coming army.
The @Council of Cloven Elders does not believe Grover and says he is "almost three weeks overdue." @Camp Half-Blood braces for battle, and finally the Titan Army emerges from the Labyrinth. The army is driven back in defeat.
August 18, 2012 - For Percy's birthday, his mom throws a small party. @Paul Blofis tells Percy he wants to marry Sally Jackson and asks for permission. Poseidon visits the Jackson residence during the party and speaks with Percy. That night, Nico di Angelo comes to talk to Percy.
December 25, 2012 - Percy Jackson, Thalia Grace, and Nico di Angelo are sent by Persephone to retrieve Hades' sword from @Ethan Nakamura.
2013
August 11, 2013 - @Charles Beckendorf and Percy Jackson attack the Princess Andromeda. It sinks beneath the waves, along with several hundred monsters and demigods. Beckendorf is killed during the mission. Percy Jackson hears the Great Prophecy for the first time.
August 16, 2013 - The Battle of Manhattan begins.
@Michael Yew goes M.I.A, the city of Manhattan falls asleep due to @Morpheus' enchantment, and Rachel Elizabeth Dare leaves for vacation.
August 18, 2013 - The Second Olympian War ends and the Titan Army loses.
Ethan Nakamura betrays the Titans and becomes the last person to be killed by Kronos. Luke Castellan also stabs himself to destroy Kronos.
@Jason Grace and the @Camp Jupiter forces destroy the Titan base at Mount Othrys, with Jason defeating Krios with his own hands.
Rachel Elizabeth Dare becomes the new Oracle of Delphi after the curse is lifted by Hades.
Percy Jackson 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 and the Great Prophecy is fulfilled.
September 18, 2013 - Percy and Annabeth's one-month anniversary.
The fire-breathing giant @Cacus steals Hermes' @Caduceus. Hermes seeks Percy's help to get his caduceus back. In a battle against Cacus, Percy and Annabeth learn that Cacus plans to cut off communication among the Olympians, as part of Gaea's plan to overthrow the gods.
After destroying Cacus, Percy and Annabeth are sent to Paris for their date, as part of Percy's deal with Hermes.
Around this time, Zeus has been threatening to close off Mount Olympus to mortals, which doesn't happen until November 2013.
October 2013 - Jason Grace, recently elected Praetor, disappears from @Camp Jupiter.
December 14, 2013 - Percy Jackson goes missing.
December 17, 2013 - Jason Grace, Piper McLean, and Leo Valdez go to Camp Half-Blood and the Prophecy of Seven is set in motion. They begin their quest to save @Hera.
They confront @Medea and rescue @Gleeson Hedge on December 19. The next day, they confront Midas and @Lityerses. They also confront Lycaon and are saved by the Hunters of Artemis, who then escort them to @Aeolia. Jason Grace and Thalia Grace are reunited.
December 21, 2013 - Jason Grace, Piper McLean, and Leo Valdez's due date to rescue Hera from @Gaea.
@Porphyrion is resurrected from @Tartarus at the Wolf House and the Second Giant War begins.
On December 24, Jason, Piper, and Leo, search for Leo's table Buford to prevent @Bunker 9 from exploding. While trying to locate Buford, they end up confronting Dionysus' crazed followers - the Maenads. Fortunately, they were able to find Buford and prevented Bunker 9 from exploding.
2014
April 2014 - Percy Jackson awakes after months of deep sleep induced by Hera/Juno, and begins training with @Lupa at the @Wolf House.
June 20, 2014 - Percy Jackson, Hazel Levesque, and Frank Zhang begin their quest to rescue Thanatos.
A group of @Karpos 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, 2014 - Percy Jackson, Hazel Levesque, and Frank Zhang 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 24, 2014 - The quest to free Thanatos is completed. Frank Zhang and Hazel Levesque defeat @Alcyoneus. Percy Jackson leads the Roman army, defeats Polybotes, and becomes the new praetor of Camp Jupiter.
June 25, 2014 - Demigods from @Camp Half-Blood arrive at @Camp Jupiter to discuss how to defeat the Gigantes and Gaea.
Jason Grace, Percy Jackson, Piper McLean, Leo Valdez, Hazel Levesque, Frank Zhang, and Annabeth Chase 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 Valdez and Hazel Levesque 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, 2014 - Percy Jackson, Jason Grace, and Piper McLean 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.