The document provides a timeline of key events during the Revolutionary War. It describes how the colonists captured Fort Ticonderoga in 1775, gaining cannons. In 1776, George Washington took command of the colonial army. The British defeated the colonists at the Battle of Bunker Hill in 1775 but the colonists achieved victory at Saratoga in 1777, bringing France into the war on their side. The colonists endured hard conditions at Valley Forge in 1778. Finally, over 16,000 colonial troops surrounded Yorktown in 1781, leading Cornwallis to surrender over 8,000 British troops and end the Revolutionary War.