Lower-level football leagues in Poland in the interwar period
In the Second Polish Republic, there was not a national, Second Division, as we know it today, although the creation of the second division was proposed on several occasions. On Sunday, 26 September 1937 in Częstochowa, a conference of regional teams from across the nation took place, to discuss the creation of the league.
Source: Wikipedia — Lower-level football leagues in Poland in the interwar period (CC BY-SA 4.0)