Pittsburgh Pirates By pdtaylor Period: Jan 31, 1882 to Jul 31, 2015 History of the Pittsburgh Pirates Jun 30, 1882 Exposition Park The Pittsburgh Alleghenys play at Exposition Park Apr 15, 1891 Pittsburgh Pirates Apr 20, 1908 First professional baseball game played in Pittsburgh Apr 15, 1909 Pirates move into Forbes Field Oct 16, 1909 Pirates Win Their First World Series Title versus Detroit Tigers Oct 15, 1925 Pirates Win Second World Series Title versus Washington Senators Oct 8, 1927 Pirates Lost World Series to NY Yankees Oct 13, 1960 Pirates Win Third World Series Title versus NY Yankees Jul 31, 1970 The Pirates Move into Three Rivers Stadium Oct 17, 1971 Pirates Win Their Fourth World Series Title versus the Baltimore Orioles Oct 17, 1979 Pirates Win Their Fifth World Series Title versus the Baltimore Orioles Mar 31, 2001 Pittsburgh Pirates Move Into PNC Park