Find some information about an event of great historic importance

Перевод задания это найдите информацию о каком нибуть событии с великой важностью. One of most important event in history is "The American Revolution". This revolution was start 'cause America wanted to be a nation, not a colony for UK. There was about 9 battles, America won only 3. This 3 battles had a major importance, because they obtained what they wanted: United States of America became a nation all its own. For this they needed help and found it in France.