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August 22
ON THIS DAY

August 22

5 moments across history

1942

Brazil Declares War on the Axis

Brazil Declares War on the Axis

Brazil Declares War on the Axis

Brazil Declares War on the Axis — detail

Year: 1942

On August 22, 1942, Brazil declared war on Germany and Italy after German submarines sank Brazilian merchant ships. The declaration brought Latin America’s largest country formally into World War II on the Allied side. It reflected growing American alignment against the Axis and led to Brazilian support in the Atlantic and combat service in Italy.

1922

Michael Collins Killed in Ambush

Michael Collins Killed in Ambush

Michael Collins Killed in Ambush

Michael Collins Killed in Ambush — detail

Year: 1922

On August 22, 1922, Michael Collins was killed in an ambush by anti-Treaty IRA forces at Béal na Bláth in County Cork. His death deprived the Irish Free State of a leading revolutionary, treaty negotiator, and military commander at a critical moment. The assassination occurred during the Irish Civil War, which followed the split over the 1921 Anglo-Irish Treaty ending the Irish War of Independence.

1910

Japan–Korea Annexation Treaty Signed

Japan–Korea Annexation Treaty Signed

Japan–Korea Annexation Treaty Signed

Japan–Korea Annexation Treaty Signed — detail

Year: 1910

On August 22, 1910, Japan compelled Korea to sign the Japan–Korea Annexation Treaty, formally transferring sovereignty to the Japanese emperor. The treaty, proclaimed on August 29, ended the Korean Empire and established direct Japanese colonial rule, which lasted until 1945. It followed years of expanding Japanese control after the Russo-Japanese War, including Korea’s forced designation as a Japanese protectorate in 1905.

1902

Cadillac Automobile Company Founded

Cadillac Automobile Company Founded

Cadillac Automobile Company Founded

Cadillac Automobile Company Founded — detail

Year: 1902

On August 22, 1902, the Cadillac Automobile Company was organized in Detroit from the remnants of the Henry Ford Company after Henry Ford’s departure. Led by engineer Henry Leland, Cadillac became known for precision manufacturing and later developed into a leading American luxury automobile brand. Its founding occurred as Detroit’s emerging motor industry expanded rapidly; Cadillac joined General Motors in 1909 and helped establish the city as an automotive center.