The temperature on July 17, 1868 was about 20.0 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 85%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
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).
January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
July 28 » The city of Miami, Florida is incorporated.
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 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death December 10, 1947
The temperature on December 10, 1947 was between -1.8 °C and 6.1 °C and averaged 2.2 °C. There was 0.1 mm of rain during 0.1 hours. There was 2.7 hours of sunshine (34%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 25 » An explosion in a coal mine in Centralia, Illinois kills 111.
April 16 » An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
December 30 » Cold War: King Michael I of Romania is forced to abdicate by the Soviet Union-backed Communist government of Romania.
When copying data from this family tree, please include a reference to the origin: Rein Koning, "Family tree Koning - van Dulken", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-dulken/I28.php : accessed February 18, 2026), "Johan Robert Charles Hoff (1868-1947)".
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