The temperature on July 22, 1870 was about 22.2 °C. The air pressure was 5 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 60%. 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).
February 9 » US president Ulysses S. Grant signs a joint resolution of Congress establishing the U.S. Weather Bureau.
February 23 » Reconstruction Era: Post-U.S. Civil War military control of Mississippi ends and it is readmitted to the Union.
March 30 » Texas is readmitted to the United States Congress following Reconstruction.
June 22 » The United States Department of Justice is created by the U.S. Congress.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
Day of marriage November 16, 1895
The temperature on November 16, 1895 was about 14.0 °C. There was 0.6 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
Day of death August 18, 1918
The temperature on August 18, 1918 was between 14.6 °C and 19.9 °C and averaged 16.5 °C. There was 0.8 mm of rain. There was 2.0 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 16 » The Council of Lithuania unanimously adopts the Act of Independence, declaring Lithuania an independent state.
March 31 » Daylight saving time goes into effect in the United States for the first time.
August 8 » World War I: The Battle of Amiens begins a string of almost continuous Allied victories with a push through the German front lines (Hundred Days Offensive).
October 9 » The Finnish Parliament offers to Prince Frederick Charles of Hesse the throne of a short-lived Kingdom of Finland.
October 12 » A massive forest fire kills 453 people in Minnesota.
November 1 » Malbone Street Wreck: The worst rapid transit accident in US history occurs under the intersection of Malbone Street and Flatbush Avenue, Brooklyn, New York City, with at least 102 deaths.
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/I109576.php : accessed October 18, 2026), "Pieter Wopkes Ritsma (1870-1918)".
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