WHAT ALL HAPPENED FEBRUARY TO JUNE 1930
Find out what all happened February to June 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)

The news of the discovery of Pluto is telegraphed to the Harvard College Observatory. (13. March 1930)

Mahatma Gandhi leads a 200-mile march, known as the Salt March, to the sea in defiance of British opposition, to protest the British monopoly on salt (12. March 1930)

Sovnarkom establishes decree time in the USSR. (16. June 1930)

Constantinople and Angora change their names to Istanbul and Ankara. (28. March 1930)

The dwarf planet Pluto is officially named. (1. May 1930)

U.S. President Herbert Hoover signs the Smoot-Hawley Tariff Act into law. (17. June 1930)

After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia. (2. April 1930)

A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone. (9. June 1930)

Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft. (18. February 1930)

The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding. (22. April 1930)

One-year conscription comes into force in France. (21. June 1930)

The Romanian Football Federation joins FIFA. (16. February 1930)

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

Yên Bái mutiny in French Indochina (10. February 1930)

Groundbreaking ceremonies for the Franklin Institute are held. (18. June 1930)

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

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

While studying photographs taken in January, Clyde Tombaugh discovers Pluto. (18. February 1930)

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