The temperature on February 8, 1870 was about -0.9 °C. The air pressure was 23 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 32%. 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).
January 10 » John D. Rockefeller incorporates Standard Oil.
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
August 8 » The Republic of Ploiești, a failed Radical-Liberal rising against Domnitor Carol of Romania.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
Day of marriage May 18, 1889
The temperature on May 18, 1889 was about 14.8 °C. There was 20 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
February 11 » Meiji Constitution of Japan is adopted.
March 31 » The Eiffel Tower is officially opened.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
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 July 21, 1947
The temperature on July 21, 1947 was between 9.3 °C and 23.1 °C and averaged 18.1 °C. There was 0.1 mm of rain. There was 9.2 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 29 » Malagasy Uprising against French colonial rule in Madagascar.
April 1 » The only mutiny in the history of the Royal New Zealand Navy begins.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
November 25 » Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.
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/I59332.php : accessed October 6, 2026), "Bouwina Slotegraaf (1870-1947)".
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