It was Booker T. Washington in 1900.
National Negro Business League was created in 1900.
Booker T. Washington
To help African Americans establish and run their own businesses
the Niagara movement, the civil rights act of 1875, the national negro business league
Booker T. Washington
Afraid it stands for National Football League
The first organized league of teams consisting solely of African-Americans -- it was called the Negro National League -- was in 1920. This first league lasted until 1931. A second league, also called the Negro National League, was organized in 1933. Another league, the Negro American League, was launched in 1937. The former folded after the 1949 season, the latter held on until 1962.
He organized the Negro National League a Negro League Baseball Division that consisted of many Great NLB teams.
The Homestead Grays.
Rube Foster
He was a Negro League manager. He also had a seat on the Negro League Board.
Rube Foster and later taken over by Gus Greenlee.