The temperature on August 17, 1876 was about 23.8 °C. The air pressure was 1 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 41%. 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 2 » The National League of Professional Baseball Clubs of Major League Baseball is formed.
February 14 » Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.
March 10 » The first successful test of a telephone is made by Alexander Graham Bell.
May 10 » The Centennial Exposition is opened in Philadelphia.
June 17 » American Indian Wars: Battle of the Rosebud: 1,500 Sioux and Cheyenne led by Crazy Horse beat back General George Crook's forces at Rosebud Creek in Montana Territory.
December 23 » First day of the Constantinople Conference which resulted in agreement for political reforms in the Balkans.
Day of marriage September 30, 1899
The temperature on September 30, 1899 was about 11.7 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 98%. Source: KNMI
March 6 » Bayer registers "Aspirin" as a trademark.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of death December 31, 1947
The temperature on December 31, 1947 was between -6.0 °C and 1.4 °C and averaged -1.5 °C. There was 1.8 mm of rain during 0.6 hours. There was 0.3 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 1 » Cold War: The American and British occupation zones in Allied-occupied Germany, after World War II, merge to form the Bizone, which later (with the French zone) became part of West Germany.
February 10 » The Paris Peace Treaties are signed by Italy, Romania, Hungary, Bulgaria, Finland and the Allies of World War II.
May 31 » Ferenc Nagy, the democratically elected Prime Minister of Hungary, resigns from office after blackmail from the Hungarian Communist Party accusing him of being part of a plot against the state. This grants the Communists effective control of the Hungarian government.
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
August 4 » The Supreme Court of Japan is established.
December 23 » The transistor is first demonstrated at Bell Laboratories.
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/I12196.php : accessed October 8, 2026), "Douwe Klopstra (1876-1947)".
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