https://emergingrevolutionarywar.org/2026/06/20/separation-day/Emerging Revolutionary War Eraen2026-06-20T12:00:00+00:00“Separation Day”1776, American Revolution, Brandywine, American Revolutionary War, Delaware, National Park Service, British, Emerging Revolutionary War, Phillip S. Greenwalt, America 250th, America 250, New Castle, Separation Day, First State National Historical Park