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.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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.
Day of marriage March 20, 1920
The temperature on March 20, 1920 was between 2.8 °C and 13.5 °C and averaged 8.1 °C. There was 4.7 hours of sunshine (39%). The average windspeed was 3 Bft (moderate breeze) 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.
February 29 » Czechoslovak National Assembly adopts the Constitution.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
Day of death January 28, 1971
The temperature on January 28, 1971 was between 4.5 °C and 7.3 °C and averaged 5.8 °C. There was 6.6 mm of rain during 2.3 hours. There was 0.3 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 22 » The Singapore Declaration, one of the two most important documents to the uncodified constitution of the Commonwealth of Nations, is issued.
April 17 » The Provisional Government of Bangladesh is formed.
June 7 » The United States Supreme Court overturns the conviction of Paul Cohen for disturbing the peace, setting the precedent that vulgar writing is protected under the First Amendment to the United States Constitution.
August 1 » The Concert for Bangladesh, organized by former Beatle George Harrison, is held at Madison Square Garden in New York City.
October 1 » Walt Disney World opens near Orlando, Florida.
November 6 » The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I29316.php : accessed February 13, 2026), "Derk Kamps (1897-1971)".
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