The temperature on April 30, 1870 was about 11.1 °C. There was 0.3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 78%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 1 » Henri Becquerel discovers radioactive decay.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of death September 16, 1966
The temperature on September 16, 1966 was between 5.2 °C and 16.8 °C and averaged 10.9 °C. There was 0.1 mm of rain. There was 4.0 hours of sunshine (32%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 12 » Lyndon B. Johnson states that the United States should stay in South Vietnam until Communist aggression there is ended.
March 31 » The Soviet Union launches Luna 10 which later becomes the first space probe to enter orbit around the Moon.
April 30 » The Church of Satan is formed in The Black House, San Francisco.
June 8 » An F-104 Starfighter collides with XB-70 Valkyrie prototype no. 2, destroying both aircraft during a photo shoot near Edwards Air Force Base. Joseph A. Walker, a NASA test pilot, and Carl Cross, a United States Air Force test pilot, are both killed.
July 2 » France conducts its first nuclear weapon test in the Pacific, on Moruroa Atoll.
August 10 » The Heron Road Bridge collapses while being built, killing nine workers in the deadliest construction accident in both Ottawa and Ontario.
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/I116889.php : accessed October 18, 2026), "Wytze Johannes Heddema (1870-1966)".
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