| Date | Significant occurances |
| 0 GD | Invention of the Gate Drive allowing interplanetary travel |
| 275 GD | Founding of the Galactic Commonwealth |
| 310 GD | Black Crash of 310 happens, where many Galactic corporations go insolvent. Widespread riots spread across the Commonwealth. |
| 315 GD | Augustus Crane architect of the Black Crash reveals himself as way to form Federated Corporate League. |
| 320 GD | Crane consolidates all failed planets and cuts ties from the Galactic Commonwealth. The widespread 'takeover' of entire portions of the Galactic Commonwealth occur with governmental control of these planets being ceded to the large corporate bodies. |
| 350 GD | Samuel Ellison, noted Futurist, devises the Probability Matrix which predicts the decline of the Commonwealth and rise of the Corporate run planets. Funded by large anonymous donations rumored to be from the Crane Corporation. |
| 500 GD | War between the reminants of the Galactic Commonwealth and the FCL. |
| 550 GD | End of war. Death of Agreiz Xang last prime minister of the Galactic Commonwealth |
| 570 GD | Exploration of the Gracius Expense, an uncharted space filled with dangers filled with unstable black holes. 50% of the ships sent there are never seen again. Border worlds are established by remains of the Galactic Commonwealth planets. |
