As America celebrates the 250th anniversary of the first battles of the American Revolution, the United States Post Office is commemorating the occasion with 15 new stamps memorializing five turning points in the fight for American independence.

After telling the tale of The Midnight Ride of Paul Revere, Henry Wadsworth Longfellow ended his epic poem with the words, “The rest you know from the books you have read.” But in case you haven’t read books about the battles at Lexington and Concord, Cape Cod artist Karen Rinaldo will sum it up for you in a single piece of art, currently on display at the Concord Museum.

Centuries had passed since legendary King Arthur pulled a sword from a stone claiming his right to the throne of England, but, once more, swords were being pulled in King Arthur’s land as guards tried to repel a crowd surging forward to get a glimpse of captive Patriot Ethan Allen and some of his Green Mountain Boys as they were dragged towards Pendennis Castle in Cornwall, England.