The temperature on November 11, 1873 was about 5.2 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 67%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
April 4 » The Kennel Club is founded, the oldest and first official registry of purebred dogs in the world.
May 9 » Der Krach: Vienna stock market crash heralds the Long Depression.
June 5 » Sultan Barghash bin Said of Zanzibar closes the great slave market under the terms of a treaty with Great Britain.
August 2 » The Clay Street Hill Railroad begins operating the first cable car in San Francisco's famous cable car system.
November 22 » The French steamer SS Ville du Havre sinks in 12 minutes after colliding with the Scottish iron clipper Loch Earn in the Atlantic, with a loss of 226 lives.
Day of marriage February 20, 1901
The temperature on February 20, 1901 was between -10.3 °C and -2.8 °C and averaged -6.7 °C. There was 8.4 hours of sunshine (82%). Source: KNMI
January 1 » Nigeria becomes a British protectorate.
February 2 » Funeral of Queen Victoria.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
When copying data from this family tree, please include a reference to the origin: Cor Blommers, "Family tree Dobben", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dobben/I489.php : accessed January 23, 2026), "Hermanus Leeuwenhoek (1873-????)".
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