Common Era Present–201X C.E.

Crisis Era 201X–2208

Deterrence Era 2208–2270

Post-Deterrence Era 2270–2272

Broadcast Era 2272–2332

Bunker Era 2333–2400

Galaxy Era 2273–unknown

Black Domain Era for DX3906 System 2687–18906416

Timeline for Universe 647 18906416–...