The U.S. Army's 250th anniversary military parade, held on Saturday, June 14, in the nation's capital, was a multimillion-dollar celebration of the nation's armed forces. It featured horses, tanks, military aircraft, armored vehicles and over 6,000 soldiers. While formal attendance numbers have yet to be released, media sources estimate the event may have drawn as many as 200,000 spectators to Washington, D.C.