<P> The Thirteen Colonies began a rebellion against British rule in 1775 and proclaimed their independence in 1776 as the United States of America . In the American Revolutionary War ( 1775 -- 83 ) the Americans captured the British invasion army at Saratoga in 1777 , secured the Northeast and encouraged the French to make a military alliance with the United States . France brought in Spain and the Netherlands , thus balancing the military and naval forces on each side as Britain had no allies . </P>
<P> The Thirteen Colonies began a rebellion against British rule in 1775 and proclaimed their independence in 1776 as the United States of America . In the American Revolutionary War ( 1775 -- 83 ) the Americans captured the British invasion army at Saratoga in 1777 , secured the Northeast and encouraged the French to make a military alliance with the United States . France brought in Spain and the Netherlands , thus balancing the military and naval forces on each side as Britain had no allies . </P>
when did the united states officially become a country
when did the united states officially become a country
1776
1776