The temperature on February 23, 1875 was about 1.2 °C. The air pressure was 8 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 24 » The SSGothenburg hits the Great Barrier Reef and sinks off the Australian east coast, killing approximately 100, including a number of high-profile civil servants and dignitaries.
April 4 » Vltava, composed by Czech composer Bedřich Smetana and also known by its German name Die Moldau, premiered in Prague.
May 1 » Alexandra Palace reopens after being burned down in a fire in 1873.
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
September 27 » The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool.
October 16 » Brigham Young University is founded in Provo, Utah.
Day of marriage May 24, 1900
The temperature on May 24, 1900 was about 12.4 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
February 27 » The British Labour Party is founded.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 19 » The first line of the Paris Métro opens for operation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death October 13, 1959
The temperature on October 13, 1959 was between 6.5 °C and 16.0 °C and averaged 11.4 °C. There was 0.4 hours of sunshine (4%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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/I84766.php : accessed October 8, 2026), "Willem Koops (1875-1959)".
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