January 31 » Czechoslav Trade Union Association is founded in Prague.
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.
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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 15, 1916
The temperature on May 15, 1916 was between 9.2 °C and 15.2 °C and averaged 11.1 °C. There was 4.9 mm of rain. There was 1.4 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 15 » United States President Woodrow Wilson sends 4,800 United States troops over the U.S.–Mexico border to pursue Pancho Villa.
June 10 » The Arab Revolt against the Ottoman Empire was declared by Hussein bin Ali, Sharif of Mecca.
August 25 » The United States National Park Service is created.
August 28 » World War I: Italy declares war on Germany.
September 3 » World War I: Leefe Robinson destroys the German airship Schütte-Lanz SL 11 over Cuffley, north of London; the first German airship to be shot down on British soil.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
Day of death July 5, 1976
The temperature on July 5, 1976 was between 15.4 °C and 31.2 °C and averaged 24.2 °C. There was 14.7 hours of sunshine (89%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 24 » The current constitution of Cuba is formally proclaimed.
March 4 » The Northern Ireland Constitutional Convention is formally dissolved in Northern Ireland resulting in direct rule of Northern Ireland from London by the British parliament.
April 1 » Apple Inc. is formed by Steve Jobs, Steve Wozniak, and Ronald Wayne in Cupertino, California, USA.
July 17 » The opening of the Summer Olympics in Montreal is marred by 25 African teams boycotting the games because of New Zealand's participation. Contrary to rulings by other international sports organizations, the IOC had declined to exclude New Zealand because of their participation in South African sporting events during apartheid.
September 6 » Cold War: Soviet Air Defence Forces pilot Viktor Belenko lands a Mikoyan-Gurevich MiG-25 jet fighter at Hakodate in Japan and requests political asylum in the United States; his request is granted.
September 21 » Orlando Letelier is assassinated in Washington, D.C. He had been a member of the former Chilean Marxist government.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I4088.php : accessed January 19, 2026), "Elsie Petronella Pretorius (1897-1976)".
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