The temperature on April 6, 1881 was about 9.0 °C. The air pressure was 7 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 20 » The legislature of Hawaii Territory convenes for the first time.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of death July 20, 1970
The temperature on July 20, 1970 was between 10.3 °C and 15.6 °C and averaged 12.4 °C. There was 11.6 mm of rain during 6.2 hours. There was 2.1 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
June 15 » Charles Manson goes on trial for the Sharon Tate murders.
July 8 » Richard Nixon delivers a special congressional message enunciating Native American self-determination as official US Indian policy, leading to the Indian Self-Determination and Education Assistance Act of 1975.
August 9 » LANSA Flight 502 crashes after takeoff from Alejandro Velasco Astete International Airport in Cusco, Peru, killing 99 of the 100 people on board, as well as two people on the ground.
September 5 » Vietnam War: Operation Jefferson Glenn begins: The United States 101st Airborne Division and the South Vietnamese 1st Infantry Division initiate a new operation in Thừa Thiên–Huế Province.
October 12 » Vietnam War: Vietnamization continues as President Nixon announces that the United States will withdraw 40,000 more troops before Christmas.
November 14 » Soviet Union enters ICAO, making Russian the fourth official language of organization.
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/I67617.php : accessed February 11, 2026), "Jelle de Boer (1881-1970)".
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