List of Known World Lines

The Steins;Gate series is set in a universe where multiple events happen in a single time frame. This article lists down the events that happened over the course of the story of Steins;Gate, and will try to cover all known world lines across various forms of media.

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 * August 15, 2010: Rounders take IBN5100 to France.
 * August 15, 2010: Tennouji Yuugo kills Kiryuu Moeka and then commits suicide.

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 * August 15, 2010: Tennouji Nae, driven insane by the suicide of her father, time-leaps repeatedly from 2025 as a Rounder into her child-body of 2010 and kills Kiryuu Moeka. She slashes Okabe Rintarou and warns him that she has killed him in 2025. (This happens in 0.337187%α in the anime.)

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 * July 31, 2010: Kiryuu Moeka steals the IBN5100 after receiving a D-mail from herself.

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 * August 6, 2010: Due to a message sent by Ruka Urushibara to her mother via pager, Ruka's gender changes from male to female.

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 * 1975: Kayano arrives on the top of the Radio Kaikan building in SERN's time machine that looks like John Titor of the Beta Attractor Field's 1967 Chevrolet Camaro to attack Amane Suzuha seconds after her own arrival.

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 * After August 6, 2010: Due to Feiris' D-mail 10 years into the past, Yukitaka Akiha lives, changing Akihabara from a mecca for otaku and moe culture into an electronics hub.
 * The otaku mecca is instead located in Nakano.
 * The IBN 5100 is not sent into a Shinto shrine.

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 * 2005: SERN's fourth Z-Program Experiment concludes, but human experimentation continues.
 * 2011: SERN continues with human experimentation and forces Makise Kurisu to watch.
 * December 29, 2011: Okabe and Daru are kept under Rounder observation after being freed and sent back to Japan in order to not disturb the world line convergence.

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 * 1975: Kayano attacks Amane Suzuha upon her arrival and throws her off the Radio Kaikan building.
 * August 3, 2010: Kiryuu Moeka sneaks into the Yanabayashi shrine grounds under the cover of dark to search for the IBN5100, but retreats after encountering Amane Suzuha.
 * August 12, 2010: Amane Suzuha is attacked by Rounders and meets and fights off Kayano.
 * August 13, 2010: Kayano kidnaps Tennouji Nae in order to lure Amane Suzuha.

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 * Between 2033 and 2036: Kayano joins the Rounders and undergoes human experimentation in order to fortify her body.
 * 2036
 * SERN researchers develop a theory on the means to transfer information to oneself across world lines similiar to Okabe Rintarou's "Reading Steiner".
 * September 27: The Committee of 300, using SERN's time machine to travel back in time, practically annihilates the Valkyrie resistance group during their assassination attempt upon the Rounder commander Libron. Kayano kills Kiyotaka.
 * September to October: Kayano kills Amane Yuki.
 * September to October: Rounders attack the Valkyrie remnant during "Operation Brynhildr". Kayano attacks Amane Suzuha, injures Mikoshiba Rei and Katsuragi Shinjirou, and damages the FG204.
 * October to November: Kayano and Rounders attack and completely wipe out remaining members of the Valkyrie resistance group. Kayano uses SERN's time-machine to pursue Amane Suzuha to 2010.

Beta Attractor Field

 * 1.130238β
 * 1.130205β
 * 1.129848β
 * 1.130212β
 * 1.130211β
 * 1.130209β
 * 1.130208β
 * 1.130206β
 * 1.130205β

1.048596β (the Steins;Gate)

 * Between 2009 and 2019: SERN succeeds in constructing a small-scale LHC and develops a black hole bomb.

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 * 2000: The Y2K crash occurred successfully due to the discovery of a SERN researcher of one of Okabe's D-mails.
 * 2010: Okabe Rintarou is active as a Rounder, codename: M3. He and Kiryuu Moeka kill agents from Europol who had been investigating them.
 * By 2036, Okabe Rintarou has joined the leading ranks of the Illuminati of the Committee of 300. He rules as the dictator of Japan under the name Hououin Kyouma.

Delta Attractor Field

 * Moeka does not work for SERN in this Attractor Field.
 * The Future Gadget Lab does not develop the Phone Microwave and continues their work on smaller-scale inventions instead.
 * Okabe works as a part-time waiter to pay for the expenses of the Lab.

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 * Okabe has no Future Gadget Lab, and is friends with Feiris only. He is a regular player of Rai-Net Access Battlers instead.
 * Due to the inexistence of the Future Gadget Lab, SERN will not complete their time machine. However, the presence of the Divergence Clock suggests that time travel technology may emerge elsewhere.