The Boston Navy Yard, originally Charlestown Navy Yard and after 1945 Boston Naval Shipyard, was one of the oldest shipbuilding facilities of the United States Navy. It was officially closed 1 July 1974 and transferred to the National Park Service, enough of the yard remaining in operation to support the USS Constitution. The museum ship USS Cassin Young (DD-793), a World War II-era destroyer, is also birthed here. 1945 was a common year starting on Monday (link will take you to calendar). ... Shipbuilding is the construction of ships. ... The United States Navy (USN) is the branch of the United States armed forces responsible for naval operations. ... July 1 is the 182nd day of the year (183rd in leap years) in the Gregorian Calendar, with 183 days remaining. ... 1974 is a common year starting on Tuesday (click on link for calendar). ... The National Park Service (NPS) is the United States Federal Government agency that deals with all National Parks, many National Monuments, and other conservation properties with various designations. ... The USS Constitution, known as Old Ironsides is a wooden-hulled, three-masted frigate of the United States Navy. ... A museum ship, or sometimes memorial ship, is an old ship that has been preserved and converted into a museum open to the public. ... USS Cassin Young (DD-793), a Fletcher-class destroyer, was a ship of the United States Navy named for Captain Cassin Young (1894–1942), who was awarded the Medal of Honor after Pearl Harbor and killed in the Naval Battle of Guadalcanal. ... Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km into the air. ... This article is about the warship. ...

The earliest naval shipbuilding activities in Charlestown, Massachusetts began during the American Revolutionary War. The land for the Charlestown Navy Yard was purchased in 1801 and the yard itself established shortly thereafter. The yard built the first US ship of the line, the USS Independence, but was primarily a repair and storage facility until the 1890s, when it started to build steel ships for the "New Navy". Charlestown is now a neighborhood in the city of Boston which annexed it in 1874. ... The American Revolutionary War (1775–1783), also known as the American War of Independence, was a war fought primarily between Great Britain and revolutionaries within thirteen of her North American colonies. ... 1801 was a common year starting on Thursday (see link for calendar). ... Ships of the line were 1st, 2nd, or 3rd-rated ships in the rating system of the Royal Navy. ... The third USS Independence was the first ship of the line commissioned in the United States Navy. ... The 1890s were sometimes referred to as the Gay Nineties, under the then-current usage of the word gay which referred simply to merriment and frivolity, with no connotation of homosexuality as in current-day usage. ...

External links

• Boston National Historical Park (http://www.nps.gov/bost/bost_lographics/cnyintro.htm)