The Cincinnati Reds are a Major League Baseball from Cincinnati, Ohio, are the oldest team in professional baseball, established in 1869. The was knowns as the Cincinnati Red Stockings until 1878, when the team changed the name to the current Cincinnati Reds. The Reds joined the National League in 1876 The Reds have won World Series championships in 1919, 1940, 1975, 1976 and 1990. The strong Reds teams of the 1970s were nicknamed "The Big Red Machine". From 1912 to 1970, the Reds home stadium was Crosley Field, from 1970-2002 home games were played at Riverfront Stadium. Since 2003 the Reds have played home games at Great American Ballpark