What happened in 1930

26 events　World 5, North America 6, Europe 4, Asia 5, Middle East 1, Latin America 4, Africa 1

Highlights of 1930

FebNorth AmericaDiscovery of PlutoTombaugh in the United States found it by comparing photographs of the night sky. It became the ninth planet of the Solar System. Its name was suggested by Venetia Burney, an 11-year-old girl in England.
Mar 12AsiaMahatma Gandhi sets off on a 200-mile march towards the sea with 78 followers to protest against the British monopoly on salt in India; more will join them during the Salt March that ends on April 5.
Apr 22WorldThe United Kingdom, Japan and the United States sign the London Naval Treaty to regulate submarine warfare and limit naval shipbuilding.
Jul 7EuropeThe far-right Lapua Movement marches in Helsinki, Finland.
Oct 5AfricaBritish airship R101, the world's largest flying craft, crashes in France en route to India, on its first overseas flight, resulting in the loss of 48 lives, with six survivors. Those killed include Britain's Air Minister, Christopher Thomson, 1st Baron Thomson.
Oct 24Latin AmericaRevolution of 1930: Getúlio Vargas overthrows Washington Luís.

Apr 22The United Kingdom, Japan and the United States sign the London Naval Treaty to regulate submarine warfare and limit naval shipbuilding.
Sep 20The Eastern Catholic Rite Syro-Malankara Catholic Church is formed.
Oct 20The British Passfield white paper demands restrictions on Jewish immigration into Mandatory Palestine.
Oct 27Ratifications are exchanged in London on the first London Naval Treaty signed in April, modifying the Washington Naval Treaty of 1922. Its arms limitation provisions go into effect immediately, hence putting more limits on the expensive naval arms race between its five signatories (the United Kingdom, the United States, the Empire of Japan, France and Italy.)
OctThe Indochinese Communist Party is formed.

FebDiscovery of PlutoTombaugh in the United States found it by comparing photographs of the night sky. It became the ninth planet of the Solar System. Its name was suggested by Venetia Burney, an 11-year-old girl in England.
Mar 31The Motion Picture Production Code (Hays Code) is instituted by the studios in the United States, imposing strict guidelines on the treatment of sex, crime, religion and violence in films for the next 40 years.
Jun 14The Federal Bureau of Narcotics is established under the United States Department of the Treasury, replacing the Narcotics Division of the Prohibition Unit.
Jun 17President Herbert Hoover signs the Smoot–Hawley Tariff Act into law, implementing protectionist trade policies in the United States. It has the incidental effect of defining an antique as older than 1830.
Aug 9The cartoon character Betty Boop debut in the Fleischer Studios short film Dizzy Dishes.
Sep 8Scotch Tape, invented by Richard Gurley Drew, is sold by the 3M company in the United States for the first time.

Jul 7The far-right Lapua Movement marches in Helsinki, Finland.
Jul 29British airship R100 sets out for a successful 78-hour passage to Canada.
Oct 14Ståhlberg kidnapping: The former and first President of Finland, Kaarlo Juho Ståhlberg, and his wife, Ester Ståhlberg, are kidnapped from their home by members of the far-right Lapua Movement but released unharmed.
Dec 31The Papal encyclical Casti connubii, issued by Pope Pius XI, stresses the sanctity of marriage, prohibits Roman Catholics from using any form of artificial birth control, and reaffirms the Catholic prohibition on abortion.

Feb 10The Việt Nam Quốc Dân Đảng launch the Yên Bái mutiny in the hope of ending French colonial rule in Vietnam.
Mar 12Mahatma Gandhi sets off on a 200-mile march towards the sea with 78 followers to protest against the British monopoly on salt in India; more will join them during the Salt March that ends on April 5.
Apr 6In an act of civil disobedience, Mahatma Gandhi breaks the salt laws of British India by making salt by the sea at the end of the Salt March.
Apr 18The Chittagong Rebellion begins in India with the Chittagong armoury raid.
Apr 19Football Association of Indonesia (PSSI) founded.

May 6The 7.1 Salmas earthquake shakes northwestern Iran and southeastern Turkey, with a maximum Mercalli intensity of IX (Violent); up to 3,000 people are killed.

Jul 13The inaugural FIFA World Cup begins: Lucien Laurent scores the first goal, for France against Mexico.
Jul 30Uruguay beats Argentina 4–2 to win the first FIFA World Cup final in Association football, at Estadio Centenario in Montevideo.
Sep 61930 Argentine coup d'état: José Félix Uriburu carries out a military coup, overthrowing Hipólito Yrigoyen, President of Argentina.
Oct 24Revolution of 1930: Getúlio Vargas overthrows Washington Luís.

Oct 5British airship R101, the world's largest flying craft, crashes in France en route to India, on its first overseas flight, resulting in the loss of 48 lives, with six survivors. Those killed include Britain's Air Minister, Christopher Thomson, 1st Baron Thomson.