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Various Local Calendars are in use, usually setting year 0 as the year the colony in question was founded. The original Earth Calendar AD based calendar is rarely encountered, although Earth Years themselves are still accepted as the standard. The most widely used calendar is based on year 0 as being the year of the planetoid impact on Earth. Years are measured as being 'After Impact' or AI for short.
| AI | (AD) | Event |
|---|---|---|
| -92 | (2124) | First sleeper vessel, 'Enterprise', departs (for Alpha Centauri). |
| -86 | (2130) | 'Mayflower' departs Earth (for Epsilon Eridani). |
| -36 | (2180) | 'Wayfarer' departs (for Iota Pegasi). Final (132nd) sleeper vessel believed to have departed. |
| 0 | (2216) | Rogue planetoid impacts Earth. |
| 4 | (2220) | Human life on Earth extinct. |
| 45 | (2261) | 'Enterprise' arrives at Alpha Centauri, colony established. |
| 114 | (2330) | Epsilon Eridani colonised by the 'Mayflower'. |
| 126 | (2342) | Epsilon Eridani investigate missing Trojan asteroid. |
| 128 | (2344) | Stable wormhole discovered at Epsilon Eridani. |
| 143 | (2359) | First wormdrive starship. |
| 144 | (2360) | Iota Pegasi colonised by the 'Wayfarer'. Most colonising vessels have arrived at their destination. |
| 150 | (2366) | By now, wormholes have been discovered at Wolf, Pegasus, Troy, Eden, Liberty and Epsilon Eridani |
| 156 | (2372) | Eridani Republic inaugurated. |
| 166 | (2382) | Start of continuous expansion by the Free Worlds Collective - independents are absorbed in the south western rim. |
| 168 | (2384) | Wolf forces subjugate Centaur System. |
| 172 | (2388) | Centaur Rebellion - First Interstellar War begins. |
| 175 | (2391) | Centaur Forces H-Bomb Wolf 424 - First Interstellar War Ends. |
| 176 | (2392) | Centaur Military Coup - Centaur Federation formed. |
| 177 | (2393) | 9 Star Combine formed. |
| 179 | (2395) | United Democratic Planets formed. |
| 232 | (2448) | Free Worlds Collective territory reaches borders of Centaur Federation and the Star Kingdom of Pegasus - FWC expansion stops. |
| 234 | (2450) | Colonised space now consists of the major power blocs with a thin sandwich of independent systems wedged in-between. Power blocs court the independents, use of mercenaries as an instrument of foreign policy becomes common. |
| 284 | (2500) | League of Independent Worlds formed. |
| 297 | (2513) | "A Short History of Mankind" published. |
Learn about wormhole technology invented after 128 AI with A Layman's Guide to Wormhole Technology.