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 28 » The Bulgarian Exarchate is established by decree of Sultan Abdülaziz of the Ottoman Empire.
May 12 » The Manitoba Act is given the Royal Assent, paving the way for Manitoba to become a province of Canada on July 15.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
August 16 » Franco-Prussian War: The Battle of Mars-la-Tour is fought, resulting in a Prussian victory.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
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 12 » The National Trust is founded in the United Kingdom.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
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.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
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.
January 12 » The Minnie Pit Disaster coal mining accident occurs in Halmer End, Staffordshire, in which 155 men and boys die.
March 19 » The US Congress establishes time zones and approves daylight saving time.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
December 1 » Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
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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