Prospect Hill was the location of George Washington's command post and rebel fortifications during the
Siege of Boston in the
American Revolution. It also served as a training facility during the
American Civil War. The tower monument was built in 1903. The plaque states that:
Flag exhibit The monument flies the
Continental Union Flag, the first American flag. On New Year's Day in 1776, Washington conducted a flag-raising ceremony to raise the morale of the men of the
Continental Army. The standard account features the Continental Union Flag, although in 2006, Peter Ansoff advanced a theory that it was actually a
British Union flag instead. Others, such as Byron DeLear, have argued in favour of the traditional version of events. ==See also==