Other football leagues in 1941:    
All the plans for further seasons came to a sudden stop upon the Japanese attack on Pearl Harbor and the start of World War II on December 7, 1941. During the winter of 1941–42, numerous players from both the AFL and NFL were drafted into the U.S. military, putting an end to this young league.
1941 Columbus Bullies LogoColumbus   512.833
1941 New York Americans LogoNew York 521.714
1941 Milwaukee Chiefs LogoMilwaukee 431.571
1941 Buffalo Tigers LogoBuffalo 260.250
1941 Cincinnati Bengals LogoCincinnati 152.167