In the 84th century, humanity has replaced the old Gregorian calendar with the Space calendar which dates from the first Mars landing.
1st Century SE
- Humans land on Mars.
- The United Nations dissolve in the aftermath of World War III.
- Colonies on the Moon are founded.
2nd Century SE
- The United Nations of Earth is founded.
5th Century SE
- The first colony ships with hyperdrive leave the solar system.
10th Century SE
- The United Systems Federation is founded.