The temperature on December 20, 1890 was about -0.9 °C. There was 1 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 100%. Source: KNMI
March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
April 7 » Completion of the first Lake Biwa Canal.
September 12 » Salisbury, Rhodesia, is founded.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of death May 14, 1968
The temperature on May 14, 1968 was between 5.8 °C and 14.1 °C and averaged 10.7 °C. There was 2.5 mm of rain during 2.7 hours. There was 11.4 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 21 » Battle of Karameh in Jordan between the Israel Defense Forces and the combined forces of the Jordanian Armed Forces and PLO.
April 29 » The controversial musical Hair, a product of the hippie counter-culture and sexual revolution of the 1960s, opens at the Biltmore Theatre on Broadway, with some of its songs becoming anthems of the anti-Vietnam War movement.
October 1 » Guyana nationalizes the British Guiana Broadcasting Service, which would eventually become part of the National Communications Network, Guyana.
November 20 » A total of 78 miners are killed in an explosion at the Consolidated Coal Company's No. 9 mine in Farmington, West Virginia in the Farmington Mine disaster.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 10 » Japan's biggest heist, the still-unsolved "300 million yen robbery", is carried out in Tokyo.
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/I208670.php : accessed October 21, 2026), "Jan Visser (1890-1968)".
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