A very high-level Galactic History timeline[]
- About 800 years BMVK, 21st or 22nd century CE (Ref: "Dreamweaver's Dilemma"; Captain Vorpatril's Alliance, ch 3)
- Beta Colony founded.
- Earth suffered a "great war".
- About 700 years BMVK, 23rd century CE (Ref: various, but good is Captain Vorpatril's Alliance, ch 3)
- Invention: Wormhole travel developed.
- Barrayar's initial settlement and its wormhole collapse.
- About 400 years BMVK
- About 300 years BMVK
- Kline Station constructed (Ref: Ethan of Athos, ch 3)
- About 200 years BMVK
- Tau Ceti, Orient, and Escobar had already been settled long enough to have large populations. (Ref: Falling Free, ch 3)
- Nuovo Brasilia was already known for being militaristic. (Ref: Falling Free, ch 1)
- Ylla had already been settled. (Ref: Falling Free, ch 6)
- Cetaganda was already a multi-planet empire. (Ref: Memory, ch 5)
- Morita Deep Space Transfer Station constructed. (Ref: Falling Free, ch 6)
- Creation of quaddies.
- Creation of Beta-Colony-style hermaphrodites. (Ref: The Vor Game, ch 13)
- Athos settled. (Ref: Ethan of Athos)
- Jackson's Whole was being used as a hijacker base during the period between one and two hundred years BMVK. (Ref: "Labyrinth")
- Inventions: Uterine replicator and artificial gravity. (Ref: Falling Free)
- About 100 years BMVK
- Years near MVK
- Barrayar conquered Komarr.
- Sergyar was discovered. (Ref: Shards of Honor)
- Barrayar failed invasion of Escobar. (Ref: Shards of Honor)
- Cetaganda failed invasion of Vervain. (Ref: The Vor Game)
- Cetaganda failed invasion of Marilac. (Ref: "The Borders of Infinity" and Mirror Dance, ch 2)
- Apparently this was two to three years before 2897 or 2997 or 3097 CE. (Ref: "The Borders of Infinity")