Timeline: A Terran Empire timeline

A chronological timeline records imagined events from prehistoric relocations by mysterious Others through centuries of spacefaring expansion, technological breakthroughs, and imperial consolidation. It charts early lunar and Martian milestones, inventions such as ion and hyperdrive engines, the proclamation and succession of an interstellar empire centered on Earth and its Ranger service, colonization of many worlds, encounters and wars with alien peoples like the Traiti and Sandeman, genetic and psionic developments, religious episodes and notable figures' births and deaths, and later crises including viral outbreaks, Ravager invasions, alternate-world exchanges, and sovereign successions extending into the late third millennium.