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.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
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.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage February 27, 1920
The temperature on February 27, 1920 was between 1.6 °C and 6.2 °C and averaged 4.6 °C. There was 4.9 mm of rain. There was 0.9 hours of sunshine (8%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.
Day of death September 15, 1972
The temperature on September 15, 1972 was between 6.9 °C and 15.1 °C and averaged 10.7 °C. There was 0.4 mm of rain during 0.3 hours. There was 6.3 hours of sunshine (49%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
January 14 » Queen Margrethe II of Denmark ascends the throne, the first Queen of Denmark since 1412 and the first Danish monarch not named Frederick or Christian since 1513.
February 15 » Sound recordings are granted U.S. federal copyright protection for the first time.
February 18 » The California Supreme Court in the case of People v. Anderson, (6 Cal.3d 628) invalidates the state's death penalty and commutes the sentences of all death row inmates to life imprisonment.
April 10 » Tombs containing bamboo slips, among them Sun Tzu's Art of War and Sun Bin's lost military treatise, are accidentally discovered by construction workers in Shandong.
May 5 » Alitalia Flight 112 crashes into Mount Longa near Palermo, Sicily, killing all 115 aboard, making it the deadliest single-aircraft disaster in Italy.
November 29 » Atari releases Pong, the first commercially successful video game.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I80798.php : accessed October 11, 2026), "Ebbel van der Heide (1897-1972)".
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