1st » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
7th » The Lateran Treaty is ratified, bringing Vatican City into existence.
8th » Margaret Bondfield is appointed Secretary of State for Employment named Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
21st » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.