The Treaty of Nice was a military alliance treaty signed by Italy and France and revealed on September 5, 1892. The consequence of the treaty was that if one the signatories was attacked in an act of war, the other signatory must declare war on the attacker if requested. Notes 19th-century military alliances 1892 treaties Treaties of the French Third Republic Treaties of the Kingdom of Italy (1861–1946) Military alliances involving France Military alliances involving Italy 1892 in France 1892 in Italy September 1892 events