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 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
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.
Day of marriage May 20, 1919
The temperature on May 20, 1919 was between 3.2 °C and 18.2 °C and averaged 12.3 °C. There was 13.8 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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.
January 18 » World War I: The Paris Peace Conference opens in Versailles, France.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
June 7 » Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.
Day of death June 19, 1967
The temperature on June 19, 1967 was between 7.1 °C and 19.2 °C and averaged 13.4 °C. There was 9.8 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
July 6 » Nigerian Civil War: Nigerian forces invade Biafra, beginning the war.
July 12 » Riots begin in Newark, New Jersey.
September 11 » China's People's Liberation Army (PLA) launched an attack on Indian posts at Nathu La, Sikkim, India, which resulted a military clashes.
November 7 » US President Lyndon B. Johnson signs the Public Broadcasting Act of 1967, establishing the Corporation for Public Broadcasting.
November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
November 15 » The only fatality of the North American X-15 program occurs during the 191st flight when Air Force test pilot Michael J. Adams loses control of his aircraft which is destroyed mid-air over the Mojave Desert.
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/I112108.php : accessed October 16, 2026), "Tjitske Hofstede (1897-1967)".
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