Exclusive–O’Donnell: American Thermopylae 1776

This elite unit of Marylanders, known as “Washington’s Immortals” or the “Bayonets of the Revolution” for their Thermopylae-like charge against a British stronghold, bought with their blood “an hour, more precious to American liberty than any other in its history.”

Battle of Long Island, 1858 Alonzo Chappel/Public Domain