| 13th January 1930 | The Mickey Mouse comic strip makes its first appearance, following fifteen commercially successful animated shorts. |
| 18th February 1930 | Clyde Tombaugh, American astronomer, discovers the planet “Pluto” whilst studying photographs of Space. “Pluto” is re-classified as a Dwarf Planet in 2006. |
| 28th March 1930 | Constantinople and Angora change their names to Istanbul and Ankara. |
| 31st March 1930 | The Motion Pictures Code is established, imposing strict guidelines on the treatment of Crime, Religion, Sex and Violence in film, for the next forty years. |
| 18th April 1930 | The BBC Radio Service from London famously reports that "today, there is no news". |
| 22nd April 1930 | The United Kingdom, Japan and the United States sign the London Naval Treaty, regulating submarine warfare and limiting shipbuilding. |
| 6th May 1930 | The Great Salmas Earthquake hits Iran, measuring 7.3 on the Richter cale and killing approximately four thousand people. |
| 24th May 1930 | Amy Johnson lands her ‘Puss Moth’ monoplane aircraft in Darwin, becoming the first woman to fly solo from England to Australia. Johnson had taken nineteen days to complete the journey. |
| 7th July 1930 | Arthur Conan Doyle, author of “Sherlock Holmes” (b. 1859) dies from a heart attack. |
| 30th July 1930 | Uruguay beats Argentina 4-2 in the first ever football World Cup final. |
| 21st August 1930 | Her Royal Highness, the Princess Margaret is born. She is the youngest daughter of King George VI and Queen Elizabeth, and sister to Princess Elizabeth - now the current Queen. |
| 5th October 1930 | British Airship R101 crashes in France en-route to India on its maiden voyage. |
| 2nd November 1930 | Haile Selassie is crowned emperor of Ethiopia. |
| 2nd December 1930 | The Great Depression: U.S. President Herbert Hoover goes before Congress and asks for a $150 million public works program to help generate jobs and stimulate the economy. |
| 19th December 1930 | Mount Merapi erupts in Indonesia, killing 14,000 people. The sudden explosion of gas and rock also destroys thirteen local villages. |