February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of death September 15, 1933
The temperature on September 15, 1933 was between 6.9 °C and 19.4 °C and averaged 12.3 °C. There was 7.2 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
April 4 » U.S. Navy airship USSAkron is wrecked off the New Jersey coast due to severe weather.
April 24 » Nazi Germany begins its persecution of Jehovah's Witnesses by shutting down the Watch Tower Society office in Magdeburg.
May 15 » All military aviation organizations within or under the control of the RLM of Germany were officially merged in a covert manner to form its Wehrmacht military's air arm, the Luftwaffe.
June 16 » The National Industrial Recovery Act is passed in the United States, allowing businesses to avoid antitrust prosecution if they establish voluntary wage, price, and working condition regulations on an industry-wide basis.
August 25 » The Diexi earthquake strikes Mao County, Sichuan, China and kills 9,000 people.
October 10 » A United Airlines Boeing 247 is destroyed by sabotage, the first such proven case in the history of commercial aviation.
When copying data from this family tree, please include a reference to the origin: Yvonne Janssen, "Genealogie Janssen-de Groot", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-janssen-de-groot/I29976.php : accessed June 23, 2024), "Leendert Dubbelt (1897-1933)".
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