<P> The lands surrounding the North Bridge in Concord, as well as approximately 5 miles (8.0 km) of the road along with surrounding lands and period buildings between Meriam's Corner and western Lexington are part of Minuteman National Historical Park . There are walking trails with interpretive displays along routes that the colonists might have used that skirted the road, and the Park Service often has personnel (usually dressed in period dress) offering descriptions of the area and explanations of the events of the day . A bronze bas relief of Major Buttrick, designed by Daniel Chester French and executed by Edmond Thomas Quinn in 1915, is in the park, along with French's Minute Man statue. The Civil War Trust, its members and partners have saved one acre of the battlefield at the site of Parker's Revenge through the organization's "Campaign 1776" project to acquire and preserve battleground land of the Revolutionary War and War of 1812 . </P> <P> Four current units of the Massachusetts National Guard units (181st Infantry, 182nd Infantry, 101st Engineer Battalion, and 125th Quartermaster Company) are derived from American units that participated in the Battles of Lexington and Concord . There are only thirty current units of the U.S. Army with colonial roots . </P> <P> Several ships of the United States Navy, including two World War II aircraft carriers, were named in honor of the Battle of Lexington . </P> <P> Patriots' Day is celebrated annually in honor of the battle in Massachusetts, Maine, and by the Wisconsin public schools, on the third Monday in April . Re-enactments of Paul Revere's ride are staged, as are the battle on the Lexington Green, and ceremonies and firings are held at the North Bridge . </P>

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