George Washington is a historical figure known for his pivotal role in the American Revolution. He served as the commander-in-chief of the Continental Army during the American Revolutionary War from 1775 to 1783. Washington's leadership was instrumental in crucial victories, including the Siege of Yorktown, which ultimately led to the surrender of British forces. After the war, he became the first President of the United States, serving two terms from 1789 to 1797. His leadership during both the revolution and as a founding father solidified his legacy as a crucial figure in American history.