The League started as the Negro National East League fro,m 1920 to 1922, then became Eastern Colored League from 1923 to 1928, then AmericanNegro League in 1929, back to Eastern Colored League, then East-West league , 1932-1934 and finally became the Negro National League from 1935 to 1948.
1920 Atlantic City, Baltimore, Brooklyn, New York Cuban Stars, New York Lincoln Giants, Philadelphia
1921 No teams enter or left this League
1922 No teams enter or left this League
1923 No teams enter or left this League
1924 Harrisburg and Washington-Wilmington enter the league
1925 No teams enter or left this League
1926 Newark enter the league and Washington-Wilmington left the league
1927 New York Cuban Stars left the league
1928 Homestead (Pa) enter the league and Harrisburg left the league
1929 New York Cuban Stars enter the league and Brooklyn and Newark left the league
1930 Brooklyn enter the league and Atlantic City left the league
1931 New York-Harlem, Newark and Pittsburgh enter the league
1932 Cleveland, Detroit and Washington enter the league and Baltimore, Brooklyn, New York-Harlem and Newark left the league.
1933 Baltimore, Columbus, Indianapolis and Nashville enter the league and Cleveland New York Cuban Giants, New York Lincoln Giants Philadelphia and Washington left the league. During the Season, the Columbus team first move to Akron and finally move to Cleveland
1934 Atlantic City, Chicago, Cleveland and Philadelphia enter the league and Detroit, Homestead, Cleveland and Indianapolis left the league.
1935 Brooklyn, Columbus, Homestead New York Cubans and Newark enter the league and Atlantic City Baltimore, Cleveland, and Nashville left the league.
1936 Washington enter the league and Brooklyn, Chicago and Columbus left the league.
1937 No teams enter or left this League
1938 Baltimore enter the league
1939 New York Black Yankees enter the league and Homestead and Pittsburgh left the league.
1940 thru 1948 No teams enter or left this League