The temperature on September 20, 1890 was about 16.7 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
October 1 » Yosemite National Park is established by the U.S. Congress.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
Day of death June 10, 1978
The temperature on June 10, 1978 was between 7.8 °C and 15.1 °C and averaged 12.2 °C. There was 0.3 mm of rain during 0.2 hours. There was 3.9 hours of sunshine (23%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 9 » President Soeharto inaugurated Jagorawi Toll Road, the first toll highway in Indonesia, connecting Jakarta, Bogor and Ciawi, West Java.
March 16 » Former Italian Prime Minister Aldo Moro is kidnapped. (He is later murdered by his captors.)
April 17 » Mir Akbar Khyber is assassinated, provoking a communist coup d'état in Afghanistan.
May 12 » In Zaire, rebels occupy the city of Kolwezi, the mining center of the province of Shaba (now known as Katanga); the local government asks the US, France and Belgium to restore order.
June 9 » The Church of Jesus Christ of Latter-day Saints opens its priesthood to "all worthy men", ending a 148-year-old policy of excluding black men.
November 23 » The Geneva Frequency Plan of 1975 goes into effect, realigning many of Europe's longwave and mediumwave broadcasting frequencies.
When copying data from this family tree, please include a reference to the origin: Rene Valk, "Family tree J + P Valk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-valk/I714.php : accessed January 25, 2026), "Harry MANDEMAKER (1890-1978)".
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