HIFK was the winner of the Veikkausliiga league in 1931.
Rangers were the winners of the Scottish Premier League in 1931.
The top scorer of the English premier League-EPL in 1931 was Tom Waring.
Olympiacos was the Greek Super League winner 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 FA Cup in 1931.
Manchester were never relegated from the premier league as it was formed in 1991. However they were relegated from the old 1st division in 1894, 1922, 1931, 1937 and 1974.
The Juventus was the Italian Serie A Winner in 1931.
BK Frem were the winner of the Superligaen cup in 1931.