WHAT ALL HAPPENED SEPTEMBER TO NOVEMBER 1930
Find out what all happened September to November 1930

Ratifications exchanged in London for the first London Naval Treaty, signed in April modifying the 1925 Washington Naval Treaty and the arms limitation treaty's modified provisions, go into effect immediately, further limiting the expensive naval arms race among its five signatories. (27. October 1930)

Bobby Jones wins the U.S. Amateur Championship to complete the Grand Slam of golf. The old structure of the grand slam was the U.S. Open, British Open, U.S. Amateur, and British Amateur. (27. September 1930)

3M begins marketing Scotch transparent tape. (8. September 1930)

A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Dornelles Vargas is then installed as "provisional president." (24. October 1930)

Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup. (6. September 1930)

Soka Kyoiku Gakkai, a Buddhist association later renamed Soka Gakkai, is founded by Japanese educators Tsunesaburo Makiguchi and Josei Toda. (18. November 1930)

Syro-Malankara Catholic Church is formed by Archbishop Mar Ivanios. (20. September 1930)

In cricket Wilfred Rhodes ends his 1110-game first-class career by taking 5 for 95 for H.D.G. Leveson Gower's XI against the Australians. (12. September 1930)

Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator. (11. November 1930)

Haile Selassie is crowned emperor of Ethiopia. (2. November 1930)

Getúlio Dornelles Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24. (3. November 1930)

British Airship R101 crashes in France en route to India on its maiden voyage. (5. October 1930)