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The Three-Body Problem Universe (Cixin Liu)

Alternate Universes/4. Science Fiction, Space Operas & Cyberpunk  •  Curated by Admin Timeline.sg

The Three-Body Problem universe, created by Cixin Liu, explores humanity's first contact with the Trisolaran civilization, the ensuing existential crisis, and the cosmic sociology of the Dark Forest. Key events span from Ye Wenjie's signal transmission in 1979 to the final dimensional collapse of the solar system.

Chronological Storyline (30 Milestones)

1979 CE

Ye Wenjie Sends Signal to Trisolaris

Astrophysicist Ye Wenjie, disillusioned with humanity, uses the Red Coast Base to transmit a message into space, revealing Earth's location. This act initiates contact with the Trisolaran civilization. #scifi #threebodyproblem )

2005 CE

Trisolaran Fleet Departs for Earth

The Trisolaran fleet, consisting of thousands of ships, begins its 400-year journey to Earth. The fleet's arrival threatens human extinction. #scifi #trisolaris )

2007 CE

Sophon Deployment to Earth

Trisolaris sends sophons, intelligent microscopic particles, to Earth to monitor human activities and sabotage scientific progress. Sophons enable real-time communication and block particle accelerator experiments. #scifi #sophon )

2008 CE

Three-Body Game Reveals Trisolaran Civilization

The immersive virtual reality game 'Three Body' is discovered by scientists, revealing the chaotic nature of the Trisolaran homeworld and the true intentions of the alien civilization. #scifi #threebodygame )

2010 CE

Earth-Trisolaris Organization (ETO) Formed

A secret organization of human sympathizers to Trisolaris, the ETO, is formed. They work to undermine humanity's resistance and facilitate Trisolaran conquest. #scifi #eto )

2011 CE

Wallfacer Project Initiated

In response to the Trisolaran threat, the UN launches the Wallfacer Project, selecting four individuals to devise secret plans to counter the invasion. Luo Ji is chosen as one of the Wallfacers. #scifi #wallfacer

2012 CE

Luo Ji Becomes Wallfacer

Luo Ji, an astronomer and sociologist, is appointed as a Wallfacer. His plan involves the concept of 'Dark Forest' deterrence, threatening to expose Trisolaris's location to the universe. #scifi #luoji

2013 CE

Spellbreaker Project Revealed

The Wallbreaker project, a Trisolaran counterintelligence effort, attempts to uncover the Wallfacers' plans. Wallbreakers are humans working for Trisolaris. #scifi #wallbreaker

2014 CE

Luo Ji's Dark Forest Theory Formulated

Luo Ji develops the Dark Forest theory: civilizations in the universe are like hunters in a dark forest, and any revealed civilization will be destroyed. He uses this to create a deterrence strategy. #scifi #darkforest

2015 CE

First Contact with Trisolaris via Sophon

Sophon communicates directly with humanity, confirming the Trisolaran fleet's approach and the futility of resistance. The Trisolarans demand human surrender. #scifi #firstcontact

2016 CE

Human Fleet Built for Space Battle

Humanity constructs a massive space fleet to confront the Trisolaran invasion. The fleet includes advanced warships like the 'Natural Selection'. #scifi #spacefleet

2017 CE

Droplet Attack on Human Fleet

A single Trisolaran probe, the 'Droplet', destroys nearly the entire human space fleet in a matter of minutes, demonstrating the vast technological gap. #scifi #droplet

2018 CE

Luo Ji Establishes Dark Forest Deterrence

Luo Ji threatens to broadcast the coordinates of both Earth and Trisolaris to the universe, triggering mutual destruction. This establishes a fragile deterrence, forcing Trisolaris to negotiate. #scifi #deterrence

2019 CE

Deterrence Era Begins

Humanity and Trisolaris enter a period of uneasy peace, with Luo Ji as the Swordholder maintaining the threat of broadcast. Technological exchange occurs. #scifi #deterrenceera

2020 CE

Cheng Xin Becomes Swordholder

Cheng Xin, a young aerospace engineer, is elected as the new Swordholder after Luo Ji steps down. She is tasked with maintaining deterrence. #scifi #chengxin

2021 CE

Deterrence Collapse: Trisolaran Attack

Cheng Xin hesitates to trigger the broadcast when Trisolaris attacks, leading to the collapse of deterrence. Trisolaran forces invade Earth, but humanity's fleet escapes. #scifi #deterrencecollapse

2022 CE

Humanity's Fleet Flees to Space

Remnants of the human fleet, including the 'Blue Space' and 'Star of the Sea', flee the solar system to escape Trisolaran domination. They become wanderers. #scifi #humanfleet

2023 CE

Trisolaran Occupation of Earth

Trisolaris occupies Earth, establishing a colonial government. Humans are forced into labor camps and subjected to genetic modification. #scifi #occupation

2024 CE

Bunker Project Initiated

Humanity begins constructing underground bunkers to survive the Trisolaran occupation. The project is led by resistance fighters. #scifi #bunker

2025 CE

Gravity Broadcasts Trisolaran Coordinates

The human ship 'Gravity' successfully broadcasts the coordinates of Trisolaris to the universe, triggering an attack by a more advanced civilization. #scifi #gravitybroadcast

2026 CE

Trisolaris Destroyed by Photoid

A photoid, a relativistic projectile, destroys the Trisolaran homeworld. The Trisolaran fleet is left without a home. #scifi #trisolarisdestroyed

2027 CE

Human-Trisolaran Alliance Formed

Remaining humans and Trisolarans form an uneasy alliance to survive in the post-destruction universe. They share technology and resources. #scifi #alliance

2028 CE

Dual-Vector Foil Attack on Solar System

An advanced civilization attacks the solar system with a dual-vector foil, collapsing it into two dimensions. The entire solar system is flattened into a 2D plane. #scifi #dualvectorfoil

2029 CE

Earth Destroyed in Dimensional Collapse

Earth and all planets in the solar system are destroyed as the 2D collapse spreads. Only a few human survivors escape in advanced ships. #scifi #earthdestroyed

2030 CE

Cheng Xin and Guan Yifan Enter Stasis

Cheng Xin and her companion Guan Yifan enter hibernation to travel to a distant star system, hoping to find a new home for humanity. #scifi #hibernation

2035 CE

Humanity Reaches New Star System

Cheng Xin and Guan Yifan awaken to find themselves in a new star system with a habitable planet. They begin colonizing. #scifi #newhome

2040 CE

Discovery of the 'Pocket Universe'

Human survivors discover a pocket universe, a small artificial universe created by a higher civilization. It offers a refuge from the ongoing dimensional wars. #scifi #pocketuniverse

2045 CE

Final Message from the Universe

A message from a higher civilization warns of the 'Great Resettlement' and the end of the universe. Humanity must decide whether to stay in the pocket universe or face the end. #scifi #finalmessage

2050 CE

Humanity Chooses to Return to the Universe

Cheng Xin and the remaining humans decide to leave the pocket universe and return to the main universe, accepting the risk of annihilation. #scifi #return

2055 CE

The Universe Ends in Heat Death

The universe reaches its final state of heat death, with all matter and energy evenly distributed. Humanity's story ends in silence. #scifi #heatdeath