United States from Siberia to the North American mainland at least 15,000 years ago. European colonization began in the 16th century. The United States emerged from the thirteen British colonies established along the East Coast. Numerous disputes between Great Britain and the colonies following the French and Indian War led to the American Revolution, which began in 1775, and the subsequent Declaration of Independence in 1776. The war ended in 1783 with the United States becoming the first country to gain independence from a European power. The current constitution was adopted in 1788, with the first ten amendments, collectively named the Bill
Grand River land dispute North American colonists. However, individual member governments are free to make individual alliances. July 4, 1776 Second Continental Congress adopts Declaration of Independence. Beginning of American War of Independence. 1778 Mohawk, Onondaga, Cayuga and Seneca nations enter alliance with British Empire, in exchange for a guarantee of sovereign territory. They appoint Chief Joseph Brant as their War Chief. Oneida and Tuscarora nations negotiate a similar arrangement with rebel colonies. 1783 Britain enters into Treaty of Paris with United States of America. Neither Mohawk, Onondaga, Cayuga or Seneca are parties to this treaty. However, Great Britain unilaterally cedes these nations' territory