WHAT ALL HAPPENED JANUARY TO MAY 1930
Find out what all happened January to May 1930

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

The 1,046 feet (319 m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public. (27. May 1930)

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

Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight). (24. May 1930)

The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later. (26. January 1930)

Yên Bái mutiny in French Indochina (10. February 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 dwarf planet Pluto is officially named. (1. May 1930)

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

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

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

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

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

The first diesel-engined automobile trip is completed, from Indianapolis, Indiana, to New York, New York. (6. January 1930)

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

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

3M begins marketing Scotch Tape. (31. January 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)

The Motion Pictures Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty eight years. (31. March 1930)