The battles pf Lexington and concord were the first military engagement of the American Revolution War. they were fought on April 19, 1775. The battle was provoked by general Thomas Gage when he send the British troops to capture John Hancock and Samuel Adams. On April,20,1775 70 patriots gathered on Lexington Green, as the redcoats (British troops) marched into Lexington on the morning. The militia dispersed and redcoats started shooting. When they stop 8 partiots were killed. Then redcoats marched into Concord to seas all the weapons.

Dr. Joseph Warren learned of the British plans and sent Paul Revere to alert John Hancock and Samuel Adams. Paul Revere promised to warn them when the British soldiers started to march. Since he wasn't sure that he would be able to get out of Boston with the message, he made plans to alert people by putting lanterns in the Old North Church steeple. He would light one lantern if the British were coming by land, and two lanterns if the British were coming by sea.On the evening of April 18th, the British troops were ferried across the Boston Harbor to start their march on Lexington. Paul Revere hung two lanterns in the church steeple. Then Paul Revere, William Dawes and Dr. Samuel Prescott rode to warn the colonists that the British were coming. Paul Revere rode to Lexington and alerted Samual Adams and John Hancock. By the time the British soldiers reached Lexington, Samual Adams and John Hancock had escaped.