Complete information about visiting the Thaddeus Kosciuszko National Memorial is now on National Park Planner!
The Thaddeus Kosciuszko National Memorial is America’s tribute to Polish soldier and military engineer Thaddeus Kosciuszko for his contributions to the Patriot cause during the American Revolution. With a disdain for the ruling class and sympathy for the oppressed, Kosciuszko had come from Poland to fight in the Revolution after being unable to obtain an officer’s commission in the highly diminished Polish army after the First Partition of Poland. He enlisted in the Continental Army and fought under the command of General Horatio Gates. He had a talent for engineering and designed many defensive fortifications used during the war.
The Thaddeus Kosciuszko National Memorial is the smallest unit of the National Park system, consisting only of the former boarding house of Ann Relf where Kosciuszko lived between November 1797 and May 1798 when he returned to the United States after leading an unsuccessful Polish rebellion against the Russians in 1794. Located in the Society Hill neighborhood of downtown Philadelphia, the house’s physical connection to Kosciuszko makes it a fitting location for the memorial. Essentially a Kosciuszko museum, visitors can browse through information panels, watch a short film about Kosciuszko, and see the room in which he lived during his time in Philadelphia.
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Last updated on July 20, 2025
