What is the chronology & dates of the various eras of human history from the start of the first Trisolaran contact?

e.g., "crisis era", etc.

As far as I am aware these gradually emerge throughout the trilogy and although I can recall some of the order, the exact time periods & details are hard to remember in detail.


Wikipedia has the following information (summarized) but it does not have a close accounting of exact time periods / dates, so only partly answers the question.

The following eras were identified in the story:

  • Common Era: The period before humans learned of the existence of Trisolaran civilization.

  • The Crisis Era (present era – 2208 AD) is the time period after Trisolaris and the Trisolarans become widely known and sophons begin to block all scientific progress.

  • The Deterrence Era describes the age after Luo Ji deters the Trisolarans with the threat of mutually assured destruction.

  • The Post-Deterrence Era describes the age when Trisolarans prepare Earth for Trisolaran settlement.

  • The Broadcast Era begins after humanity broadcasts the location of Trisolaris from the Oort cloud and one of the three suns of Trisolaris is destroyed. Earth is likewise endangered.

  • In the Bunker Era, most humans living on Earth move to space cities in the shadow of Jupiter and other gas giants, having chosen to use them as shields.

  • The Galaxy Era focuses on the few survivors of the dark forest strike, and civilization founded by the surviving crews of Blue Space and Gravity and their descendants, referred to as "Galactic Humans".

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