Nice won the French Ligue championships in 1956.
The team that won the Greek Super League in 1956 was Olympiacos.
The team that won the Swiss Super League in 1956 was Grasshopper Club.
No team won the League Cup in 1956 because the competition was only established in 1960.
Celtic was the team that won the Scottish League Cup finals of 1956.
The team won the UEFA Champions League title in 1956 is Real Madrid.
Rapid JC won the Netherlands League championship in 1956.
The team that won the Dutch league in the season ending 1956 was Rapid JC.
Nice won the French League championships in 1959.
AS Monaco won the French League championships in 1960.
AS Monaco won the French League championships in 1961.
AS Monaco won the French League championships in 1963
Nantes won the French League championships in 1965.