 Dawes left about 10 P.M. and rode in three hours.He met with Revere shortly before 1 A.M. at the Hancock-Clarke House in Lexington, in the early morning of April 19, 1775, hours before the Battles of Lexington and Concord initiated the American Revolution.On July 8, 1775, during the Siege of Boston, the Neck was the site of a small engagement between a handful of British regulars and two hundred Colonial volunteers.