This document lists important dates in history in two categories. The primary list includes 1066, the Norman conquest of England; 1492, when Columbus arrived in the Americas; 1776, the American Declaration of Independence; and 1861-1865, the American Civil War. The secondary list provides additional context with dates like 480 BC, the Battle of Thermopylae; 44 BC, Julius Caesar's assassination; and 1969, when humans first walked on the moon.
