Negro league baseball
Overview
The Negro leagues were United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 professional baseball
Baseball
Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

 leagues comprising teams predominantly made up of African American
African American
African Americans are citizens or residents of the United States who have at least partial ancestry from any of the native populations of Sub-Saharan Africa and are the direct descendants of enslaved Africans within the boundaries of the present United States...

s. The term may be used broadly to include professional black teams outside the leagues and it may be used narrowly for the seven relatively successful leagues beginning in 1920 that are sometimes termed "Negro Major Leagues."

In 1885 the Cuban Giants formed the first black professional baseball team.
 
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