Prehistory
- ~4 Billion years ago. The Wormhole Builders place a wormhole end in orbit around Mars.
Remote Antiquity
- 14,000 BC. Civilization emerges in Bira.
- 10,000 BC. Roots of agriculture and civilization on Earth.
Antiquity
- Late January, 1972 AD. Photos from the probe Mariner 9 show that the third moon of Mars, Adrastea, is a huge artificial object.