The original Battlestar Galactica television series created by Glen A. Larson premieres on ABC, introducing the story of the last remnants of humanity fleeing the Cylons.
The theatrical release of Battlestar Galactica: The Movie, which is a re-edited version of the original pilot episodes, brings the series to the big screen.
The spin-off series Battlestar Galactica 1980 premieres, continuing the story from the original series but with new characters and storylines.
The critically acclaimed reimagined Battlestar Galactica mini-series premieres on the Sci-Fi Channel, rebooting the franchise with darker themes and modern storytelling.
The reimagined Battlestar Galactica TV series officially starts its regular episodes following the mini-series success.
The TV movie Battlestar Galactica: Razor airs, expanding the backstory and events within the reimagined series universe.
The TV movie Battlestar Galactica: The Plan airs, retelling the events of the series from the Cylons' perspective.
The first conflict between the Twelve Colonies and the Cylon Empire, marking the start of a bitter and prolonged war.
Treaties were signed ending the initial hostilities, but the peace was uneasy and lasted only a generation.
The Cylons develop humanoid models indistinguishable from humans, advancing their strategy significantly.
The Cylons launch a surprise attack that nearly destroys the Twelve Colonies, wiping out most of the human population and military.
Survivors of the Cylon attack flee into space aboard ragtag ships, with the Battlestar Galactica as their protector.
Revelation that a lost thirteenth tribe of humans exists, possibly linked to Earth.
The remnants of humanity arrive at the planet Earth, which turns out to be a radioactive wasteland in this timeframe.
The survivors decide to settle on the radioactive Earth, beginning a new era for humanity.
