History of professional baseball in Washington, D.C.

Washington, D.C., has been home to over a dozen baseball organizations beginning in 1872, and since 2005 has been represented in Major League Baseball (MLB) by the Washington Nationals. == Early years: 1867–1899 == The first professional baseball teams and leagues were formed in the late 19th century and several were based in Washington, D.C. Many early teams used the names "Nationals" and "Senators" but were otherwise unrelated.

Source: Wikipedia — History of professional baseball in Washington, D.C. (CC BY-SA 4.0)