The French Ligue did not form until 1932.
The team that won the Dutch football league in 1915 was Sparta Rotterdam.
Sparta Rotterdam won the Netherlands League championship in 1915.
The team that won the Dutch league in the season ending in 1915 was Sparta Rotterdam.
Serie A's first season was the 1929/30 season, so it did not exist in the 1914/1915 season. There was another league in place then. The team that won that league in 1915 was Genoa.
Nice won the French League championships in 1959.
AS Monaco won the French League championships in 1960.
Nantes won the French League championships in 1965.
Marseille won the French League championships in 1971.
Marseille won the French League championships in1972.
Nantes won the French League championships in 1973.
Nantes won the French League championships in 1980.
AS Monaco won the French League championships in 1981.