The temperature on March 30, 1860 was about 4.7 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 83%. Source: KNMI
From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
April 3 » The first successful United States Pony Express run from St. Joseph, Missouri, to Sacramento, California, begins.
April 9 » On his phonautograph machine, Édouard-Léon Scott de Martinville makes the oldest known recording of an audible human voice.
June 30 » The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.
September 7 » Italian unification: Giuseppe Garibaldi enters Naples.
September 8 » The steamship PSLady Elgin sinks on Lake Michigan, with the loss of around 300 lives.
October 18 » The Second Opium War finally ends at the Convention of Peking with the ratification of the Treaty of Tientsin, an unequal treaty.
Day of marriage March 16, 1889
The temperature on March 16, 1889 was about 0.9 °C. The air pressure was 22 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 83%. Source: KNMI
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 31 » The Eiffel Tower is officially opened.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of death December 14, 1924
The temperature on December 14, 1924 was between -2.4 °C and 1.7 °C and averaged 0.2 °C. There was 3.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 22 » Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
January 25 » The 1924 Winter Olympics opens in Chamonix, in the French Alps, inaugurating the Winter Olympic Games.
October 25 » The Zinoviev letter, which Zinoviev himself denied writing, is published in the Daily Mail; the Labour party would later blame this letter for the Conservatives' landslide election win four days later.
October 27 » The Uzbek SSR is founded in the Soviet Union.
November 4 » Nellie Tayloe Ross of Wyoming becomes the first female elected as governor in the United States.
December 20 » Adolf Hitler is released from Landsberg Prison.
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/I128991.php : accessed October 22, 2026), "Jan Holtrop (1860-1924)".
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