The first professional team, established in 1885, achieved great and lasting success as the Cuban Giants, while the first league, the National Colored Base Ball League, failed in 1887 after only two weeks due to low attendance. The Negro American League of 1951 is considered the last major league season and the last professional club, the Indianapolis Clowns, operated amusingly rather than competitively from the mid-1960s to 1980s.