HOLD UP!
This article contains spoilers. If you don't want to spoil everything for yourself, DO NOT READ ON!

This page contains a timeline of the events that happened in In a Locked Room and its spinoffs. Non-canon and retconned events are not included here due to their non-canon nature.

Unknown

Time Events
??? Elementia I sacrifices herself against the Warlord, who is then cursed by her daughter Elementia II to be bound to a human host.
??? Vortigon is successfully slain by the Olympians after his attempted conquest of Ancient Greece. The surviving Generals Ambrosio and Anaphora go into hiding.

20th century

Time Events
July 31st, 1961 Dr. Zack is born.
December 19, 1993 Gerald Edmarkson is born.
April 1st, 1995 Kyoji is born.
May 15, 1996 Rosewell Starrison is born.
May 21st, 1995 Aurora Blue is born.
January 24th, 1997 Ace, birth name Jason, is born.
September 27th, 1997 Jaiden is born.
1998 - 2000 The war in Japan against Shogo the Warlord takes place. Notable moments include the death of Kyoji and Sakura's parents as well as Shogo himself. His daughter Akasha swears vengeance against Kyoji upon learning about Shogo's death at his hands while Sakura is brought to the Light Sensei for upbringing. Itachi becomes cursed into a grass demon while Takeshi and Sasuke become bandits and so on.

21st century

Time Events
March 14th, 2000 Lucas is born.
October 3rd-8th, 2000 Across a total of 5 days, Sister Location occurs. Michael Afton, the night technician of Circus Baby's Entertainment and Rentals, is killed on the 5th night by the Funtimes, who use his body as a disguise and escape the facility.
March 16th, 2001 Blast, birth name Alex, is born.
September 9th, 2001 Alice is born.
October 2002 Kyoji and Starcade first meet as kids, as revealed in The Night.
November 6th, 2002 Tommy is born.
November 23rd, 2011 Red Fork first meets Twilight Sparkle, as revealed in Red Fork's Rampage.
20XX (close to before the IaLR roleplay) In The Room of Undertale, the events of Undertale occur over and over and keep on getting reset. Bored, Flowey travels through dimensions into the Locked Rooms.
2016-2017 The IaLR roleplay up to Pirates of Solitaire. 2017 was also where the events of many spinoffs such as Heroes Through Time, The Portal Problem and Quest of the Legendary Rainbow Gem take place.
January 5th, 2017 The majority of The Room of Undertale's inhabitants are sent to the IaLR universe. Once there, many monsters begin to make a home for themselves, Undyne, Alphys, Mettaton all living in Echo Creek.
December 31, 2017 The events of All That Glitters takes place.
January 2nd, 2018 Sans, Papyrus, Gaster, Asriel and Frisk all make a living for themselves in Echo Creek. Sans and Papyrus live together, while Gaster goes back to his scientifical life, planning his own company.
January 3rd, 2018 Season 1 of IaLR: Heroes of Echo Creek starts, beginning with The Attack of the Opposite.
January 6th, 2018 The events of Ponies vs. Inklings take place, subsequently introducing Ink Splash into IaLR.
February 14th, 2018 The events of All is Fair in Love and War take place.
February 27th, 2018 The events of An Unpeasant Surprise take place. Dark Green Shadow and Akasha are introduced.
February 28th, 2018 Directly happening after An Unpeasant Surprise, the events of The Forbidden Legacy take place. The Shadow Sensei is introduced, and Akasha learns the shadow arts.
March 10th, 2018 The events of Red Fork's Rampage take place, introducing Fake Fork and subsequently introducing Dr. Zack into IaLR.
March 17th, 2018 The events of Nitro Mania take place. Starcade's team of video game characters, the Retro Rebels, is introduced.
March 25th, 2018 The grand opening of Red Spoon's restaurant, during the events of The New Red Crystal.
April 1st, 2018 Kyoji's birthday alongside the the events of The Shock about the New Shadow. Takeshi is introduced.
April 2nd, 2018 Directly happening after The Shock about the New Shadow, the events of The Human Tsunami take place. Sasuke is introduced.
April 14th, 2018 Emily Green founds the Blocked Room Gang.
April 18th, 2018 The Amulet of the Dark Seas, as well as Captain Dark Shell, are both introduced into IaLR during the events of The Amulet of the Dark Seas.
April 30th, 2018 HoEC Season 1 ends with the events of The Ace Plan.
May 2th, 2018 HoEC Season 2 starts, beginning with The Shadow Foreshadowing.
June 9th, 2018 Discord is introduced into IaLR through the events of Discord Disaster.
July 28th, 2018 HoEC Season 2 ends with the events of The Return of the Warlord. Akasha turns against Shogo after realising he doesn't care about her and gives up her grudge against Kyoji.
August 5th, 2018 HoEC Season 3 starts, with the events of The Blocked Room Gang. At the end of the story, the Blocked Room Gang are disbanded.
September 20th, 2018 Ace opens up his own dojo during the events of Ace's Dojo.
October 21th, 2018 Opposite Blast and his team join the Locked Room Gang during the events of Bad Hair Day.
October 28th, 2018 Shadows of War occurs. Black Crystals are subsequently introduced into IaLR and HoEC Season 3 finishes.
November 8th, 2018 Time Turmoil occurs, with Emily Green now joining the Locked Room Gang.
November 11th, 2018 The events of The Flying Star Cafe occur.
November 14th, 2018 HoEC Season 4 starts with Deadly Alliance. At the same time, the events of The Portal Dimension also occur.
November 18th, 2018 Cosmos first arrives on Earth during the events of Marble-Droid.
January 2nd, 2019 Tommy and Blast receive new superpowers during the events of Powered Up.
January 28th, 2019 The events of Bad Hero take place. Dark Green Shadow gets redeemed out of villainy.
February 10th, 2019 Blue Ocean's birthday alongside the events of Metalshoe Jet.
February 26th, 2019 The events of Dark Reign Again occurs, concluding HoEC Season 4. The gang first meet Elementia II as well as the Warlord.
February 27th, 2019 Gaster allows Alphys to work as his lab assistant.
March 3rd-March 5th, 2019 In the Shadow of an Aurora occurs.
March 5th-March 6th, 2019 Holding Back occurs.
March 9th, 2019 Spacelocked happens, and Galvius is introduced.
March 13th, 2019 The events of The Room of Foodtopia take place.
March 16th, 2019 Blast's 18th birthday coinciding with the events of Metallic Menace. This is the start of HoEC Season 5.
March 20th, 2019 The events of The Seven Deadly Assassins happen.
March 21th, 2019 Into the Fire occurs. Galvius is launched into the sky, eventually being captured and held in police custody, Vortigon makes his canonical debut and Aurora is subsequent imprisoned on the Eradicator. Athena meets a similar fate to Galvius.
March 22th, 2019 Athena lands on the outskirts of Echo Creek, initiating the events of Echo Call. Athena and Vortigon are introduced to the Locked Room Gang and Aurora is rescued from the Eradicator.
March 24-25th, 2019 The events of Killer Sting occurs. Meanwhile, Galvius is freed by Anaphora shortly after she invades the station he is being held in.
March 27th, 2019 The events of Operation Blue occurs, introducing Trelos and Parafron.
March 30th, 2019 The events of Brawl on a Vanishing Island takes place, Sans, Papyrus, and W.D Gaster encountering Chara for the first time in a long while.
April 3rd, 2019 The events of The Ace Revenge and Treasure Blunders occur.
April 5th, 2019 The events of Red Ruby Revolution take place.
April 5th-6th, 2019 Dating the Deity occurs.
April 9th, 2019 The events of Unicorn Clash take place.
April 15th, 2019 The events of Putting Your Hoof Down and Treasure Blunders take place. In the latter story, Athena and Aurora encounter Caspian for the first time.
April 17th, 2019 Like Father, Like Daughter happens. Athena and Aurora encounter Michael Afton for the first time.
April 17-19th, 2019 Dressed in Purple takes place.
April 20th, 2019 Double Trouble takes place, with Sans, Papyrus and Gaster all meeting their alternate universe selves.
April 21-22nd, 2019 Sailor Skirmish takes place.
April 27th, 2019 Showtime Surprise takes place, a week later after the previous episode of SaPHA.

Trivia

  • (W.I.P.)

References

(W.I.P.)

Community content is available under CC-BY-SA unless otherwise noted.