4 stadiums were used during the 1921 NNL1 season. Isolated games and short term temporary home fields are not necessarily included.
1920-1923
Monarchs
(NNL1)
1920-1931
American Giants
(NNL1)
1921-1921
Cuban Stars
(NNL1)
1920-1926
ABCs
(NNL1)
I sincerely appreciate the research work, and the information being shared. It is important and interesting history.