Early history

Early history stands for the years before the 1st century.

Events

 * The Big Bang
 * The Universe is created, as well as the cowboy universe (Only this one parallel universe is known or thought to exist until the events of "The Farnsworth Parabox").
 * Milliseconds after the Big Bang
 * The evil Brain Spawn come into being and begin their war against the Nibblonians that rages until the 31st century.
 * Eons ago
 * A frog-like creature and a snake-like creature cooperated to get food and survive, but later evolved to eat the other as food.
 * 65.5 million years ago
 * The Brain Spawn cause the extinction of Earth's dinosaurs.
 * 29,997,000 years ago
 * Nimbala is emperor of Zuban 5.
 * 1351 BC
 * Bender steals Ramses' sarcophagus
 * 277 BC
 * Nibbler born.

Alternate realities

 * 1351 BC
 * Ramses' sarcophagus is buried.