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).
January 10 » John D. Rockefeller incorporates Standard Oil.
March 1 » Marshal F. S. López dies during the Battle of Cerro Corá thus marking the end of the Paraguayan War.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
September 2 » Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
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.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
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.
March 16 » Finnish Civil War: Battle of Länkipohja is infamous for its bloody aftermath as the Whites executed 70–100 capitulated Reds.
March 25 » The Belarusian People's Republic is established.
April 23 » World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
August 27 » Mexican Revolution: Battle of Ambos Nogales: U.S. Army forces skirmish against Mexican Carrancistas in the only battle of World War I fought on American soil.
October 31 » World War I: The Aster Revolution terminates the Austro-Hungarian Compromise of 1867, and Hungary achieves full sovereignty.
December 4 » U.S. President Woodrow Wilson sails for the World War I peace talks in Versailles, becoming the first US president to travel to Europe while in office.
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 25, 2026), "Pieter Wopkes Ritsma (1870-1918)".
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