A captain in the Polish army, Kosciuszko volunteered for Washington's army during the Revolution. He rose to brigadier general and was honored by the new Congress. He visited the US again, to accolades, in 1797.
Catholic Encyclopedia * Wikipedia
D. Abodaher, Warrior on Two Continents: Thaddeus Kosciuszko
Children's M. Greene, Thaddeus Kosciuszko: Polish General and Patriot
J. Pula, Thaddeus Kosciuszko: The Purest Son of Liberty