June 1: Ion Antonescu, prime minister and "Conducator" (Leader) of Romania during World War II is executed; he was found guilty of betraying the Romanian people for benefits of Germany and sentenced to death by the Bucharest People's Tribunal.

June 2: In a referendum, Italians decide to turn Italy from a monarchy into a republic. Women vote for the first time.

June 3: The Interpol organization re-founded, telegraphic address "Interpol" adopted.

June 6: The Basketball Association of America is formed in New York City.

June 8: In Indonesia, Sukarno incites his supporters to fight Dutch colonial occupation.

June 9: In Thailand, King Bhumibol Adulyadej (Rama IX) accedes the throne after the mysterious death of his brother, King Ananda Mahidol (Rama VIII).

June 10: Italy is declared a republic.

June 13: Humbert II of Italy leaves the country and goes into exile in Portugal; Alcide de Gasperi becomes head of state.

June 14: The Baruch Plan is proposed to the United Nations

June 17: A tornado on the Detroit River kills 17. - Laurence Olivier's Henry V opens in the United States nearly 2 years after its release in England. It is the first Shakespeare film in color, and critics hail it as the finest film of a Shakespeare play ever made.

June 23: 1946 Vancouver Island earthquake. - The National Democratic Front wins a landslide victory in the municipal elections in French India.

June 25: International Bank for Reconstruction and Development (IBRD) (World Bank) begins operations.

June 30: The War Relocation Authority is abolished. (source: Wikipedia)