The temperature on May 2, 1872 was about 20.7 °C. The air pressure was 6 kgf/m2 and came mainly from the north. The atmospheric humidity was 37%. Source: KNMI
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
February 20 » The Metropolitan Museum of Art opens in New York City.
March 5 » George Westinghouse patents the air brake.
July 18 » The Ballot Act 1872 in the United Kingdom introduced the requirement that parliamentary and local government elections be held by secret ballot.
November 9 » The Great Boston Fire of 1872.
November 29 » American Indian Wars: The Modoc War begins with the Battle of Lost River.
December 4 » The crewless American brigantine Mary Celeste, drifting in the Atlantic, is discovered by the Canadian brig Dei Gratia. The ship has been abandoned for nine days but is only slightly damaged. Her master Benjamin Briggs and all nine others known to have been on board are never accounted for.
Day of marriage June 6, 1895
The temperature on June 6, 1895 was about 14.7 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
January 12 » The National Trust is founded in the United Kingdom.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death June 23, 1931
The temperature on June 23, 1931 was between 10.3 °C and 22.4 °C and averaged 16.6 °C. There was 9.0 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Jon Vandenberg, "Vandenberg Tree", database, Genealogy Online (https://www.genealogieonline.nl/vandenberg-tree/R1081.php : accessed December 23, 2025), "Jan Hopman (1872-1931)".
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