February 6, 1778 (Reform Movement of the first month, the tenth day of this seventh month), France formally recognized the independence of the United States.

new route found, the influx of colonists of Spain, Portugal and other countries in South America, Spain, the United Kingdom, the Netherlands and France colonized also in North America. The start to the second half of the 18th century from the early 17th century, the British North American Atlantic coastal areas, has established 13 colonies. The United States was a British colony. April 1775, the outbreak of the American War of Independence, published the Declaration of Independence on July 4, 1776, 13 North American colonies declared their independence from England. Then there is a deep contradiction between the French and British. Colonial predatory war carried out in the early and mid 18th century between the two countries, the United Kingdom almost French forces completely driven out of North America, from the hands of France captured Canada. France was afraid after the victory of the United Kingdom, (l $ j��.c��) would give France the loss of a colony of the West Indies, so King Louis XVI in the February 6, 1778, formally recognized the independence of the United States, with the United States entered into a treaty of alliance in the United States and France, officially war (later, the law and its allies in Spain to participate in the alliance, to jointly oppose the United Kingdom.) In October 1781, the U.S. and French troops at Yorktown achieved a major victory, forcing the British commander Cornwallis surrender surrender.