Olympiacos was the Greek Super League winner in 1931.
HIFK was the winner of the Veikkausliiga league in 1931.
SK Slavia Praha were the winner of the Czech League in 1931.
There was no competition for the Scottish League cup in 1931.
AFC Ajax was the winner of the Eredivisie league in 1931.
Arsenal was the winner of the English Premier League in 1931.
Arsenal
The Juventus was the Italian Serie A Winner in 1931.
BK Frem were the winner of the Superligaen cup in 1931.
Hertha BSC was the winner of the German Bundesliga in 1931.
Arsenal was the winner of the English FA Cup in 1931.
The DFC team was the winner of the KNVB Beker cup in 1931.
Shipchenski sokol were the Bulgarian League winners in 1931.