The temperature on April 5, 1868 was about 18.7 °C. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 42%. 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).
March 23 » The University of California is founded in Oakland, California when the Organic Act is signed into law.
July 28 » The 14th Amendment to the United States Constitution is certified, establishing African American citizenship and guaranteeing due process of law.
August 18 » French astronomer Pierre Janssen discovers helium.
November 3 » John Willis Menard (R-Louisiana) was the first African American elected to the United States Congress. Because of an electoral challenge, he was never seated.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
Day of marriage June 10, 1893
The temperature on June 10, 1893 was about 14.3 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 71%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 1 » Thomas A. Edison finishes construction of the first motion picture studio, the Black Maria in West Orange, New Jersey.
June 20 » Lizzie Borden is acquitted of the murders of her father and stepmother.
July 11 » The first cultured pearl is obtained by Kōkichi Mikimoto.
September 28 » Foundation of the Portuguese football club FC Porto.
November 7 » Women's suffrage: Women in the U.S. state of Colorado are granted the right to vote, the second state to do so.
December 4 » First Matabele War: A patrol of 34 British South Africa Company soldiers is ambushed and annihilated by more than 3,000 Matabele warriors on the Shangani River in Matabeleland.
Day of death November 4, 1934
The temperature on November 4, 1934 was between -0.5 °C and 8.1 °C and averaged 4.1 °C. There was 1.0 mm of rain during 0.6 hours. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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/I57291.php : accessed October 14, 2026), "Kornelis Poelstra (1868-1934)".
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