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 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage April 18, 1921
The temperature on April 18, 1921 was between -1.5 °C and 10.5 °C and averaged 4.5 °C. There was 0.5 mm of rain. There was 9.7 hours of sunshine (69%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 29 » The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death May 2, 1988
The temperature on May 2, 1988 was between 8.9 °C and 19.4 °C and averaged 12.6 °C. There was 3.4 mm of rain during 0.7 hours. There was 7.0 hours of sunshine (47%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 6 » Michael Jordan makes his signature slam dunk from the free throw line inspiring Air Jordan and the Jumpman logo.
March 13 » The Seikan Tunnel, the longest undersea tunnel in the world, opens between Aomori and Hakodate, Japan.
April 25 » In Israel, John Demjanjuk is sentenced to death for war crimes committed in World War II.
May 14 » Carrollton bus collision: A drunk driver traveling the wrong way on Interstate 71 near Carrollton, Kentucky hits a converted school bus carrying a church youth group. Twenty-seven die in the crash and ensuing fire.
November 2 » The Morris worm, the first Internet-distributed computer worm to gain significant mainstream media attention, is launched from MIT.
December 21 » The first flight of Antonov An-225 Mriya, the largest aircraft in the world.
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I11543.php : accessed February 16, 2026), "Cornelia Adriana van Kuijk (1897-1988)".
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