WHAT ALL HAPPENED MARCH TO DECEMBER 1930
Find out what all happened March to December 1930

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

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

Heinrich Brüning is appointed German Reichskanzler. (29. March 1930)

The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland. (29. August 1930)

Industrialist Henry J. Kaiser begins construction of the Boulder Dam (now known as Hoover Dam). (7. July 1930)

Sir Muhammad Iqbal's presidential address in Allahabad introduces the Two nation theory and outlines a vision for the creation of Pakistan. (29. December 1930)

Australian cricketer Donald Bradman scores a world record 309 runs in one day, on his way to the highest individual Test innings of 334, during a Test match against England. (11. July 1930)

W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show. (7. December 1930)

One-year conscription comes into force in France. (21. June 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)

The first night game in organized baseball history takes place in Independence, Kansas. (28. April 1930)

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

The Communist Party of Panama is founded. (4. April 1930)

Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire," beginning the Salt Satyagraha. (6. April 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)

The first color sound cartoon, called Fiddlesticks, is made by Ub Iwerks. (16. August 1930)

International Unemployment Day demonstrations globally initiated by the Comintern (6. March 1930)

Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery in Clinton, Indiana. (16. December 1930)

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

Betty Boop makes her cartoon debut in Dizzy Dishes. (9. August 1930)