Bunker Hill Day

Fly Guy is at a site that was very significant on April 17, 1775.  Fifth graders, you may know where he is. Hint: It is in Charlestown, MA.

Here's a book hint:

Fly Guy was at Breed's Hill, at a Bunker Hill Day parade.  The first major battle of the Revolutionary War took place here on April 17, 1775.  The British won control of the hill, but lost half their their men in the battle,