Also the inciting incident to the 'verse of Firefly:

Mal: "Here’s how it is: (The) Earth got used up, so we (moved out, and) terraformed a whole new galaxy of Earths, some rich and flush with new technologies, some not so much. (The) Central Planets, them as formed the Alliance, waged war to bring everyone under their rule; a few idiots tried to fight it, among them myself. I’m Malcolm Reynolds, captain of Serenity.