A Timeline of Tradition and Growth A Timeline of The Abbey's First 100 Years April 19, 1775 The Battles of Lexington and Concord On April 19, 1775, the first battles of the American Revolution took place in Lexington and Concord, Massachusetts. Learn More 1775 The first shots of the American Revolution are fired October 19, 1781 The Surrender at Yorktown On October 19, 1781, British General Cornwallis surrendered to American and French forces at Yorktown, Virginia. Learn More 1781 The decisive victory that led to the end of the war July 4, 1776 Declaration of Independence On July 4, 1776, the Continental Congress adopted the Declaration of Independence, declaring the American colonies free from British rule. Learn More 1776 The colonies declare their independence from Great Britain September 19, 1777 The Battle of Saratoga In 1777, the Battle of Saratoga was a turning point in the American Revolution. Learn More 1777 A pivotal American victory that secured French support Free Timeline Widget