1) Native Americans first migrated to North America around 11,500 years ago from Asia across the Bering Strait. They developed many diverse tribes and cultures across North and South America.
2) Columbus arrived in the Americas in 1492 while sailing for Spain, mistakenly believing he had reached Asia. This led to European exploration and colonization of the Americas over subsequent decades and centuries.
3) The American Revolutionary War began as a conflict between the 13 British colonies and Britain and resulted in American independence being declared in 1776. Significant events in New York included the Battle of Long Island during the Revolutionary War.