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.
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.
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 30 » The British Colony of Natal annexes Zululand.
Day of marriage October 6, 1920
The temperature on October 6, 1920 was between 11.2 °C and 20.1 °C and averaged 14.8 °C. There was 4.9 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
Day of death August 17, 1980
The temperature on August 17, 1980 was between 15.9 °C and 24.2 °C and averaged 19.1 °C. There was 7.7 hours of sunshine (53%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 3 » The USSNautilus is decommissioned and stricken from the Naval Vessel Register.
July 7 » Institution of sharia law in Iran.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
August 2 » A bomb explodes at the railway station in Bologna, Italy, killing 85 people and wounding more than 200.
October 26 » The Peter Muhlenberg Memorial in Washington, D.C. is dedicated.
December 1 » Ecatepec, State of Mexico, Mexico, becomes a city.
When copying data from this family tree, please include a reference to the origin: Menno Blom, "Family tree Blom", database, Genealogy Online (https://www.genealogieonline.nl/blom_stamboom/I1084035724.php : accessed June 25, 2024), "Hendrik "Henk" VAN Ophem (1897-1980)".
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