The temperature on June 10, 1876 was about 14.4 °C. The air pressure was 16 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. 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).
March 10 » The first successful test of a telephone is made by Alexander Graham Bell.
April 17 » Catalpa rescue: The rescue of six Fenian prisoners from Fremantle Prison in Western Australia.
April 20 » The April Uprising begins. Its suppression shocks European opinion, and Bulgarian independence becomes a condition for ending the Russo-Turkish War.
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.
July 8 » The Hamburg massacre prior to the 1876 United States presidential election results in the deaths of six African-Americans of the Republican Party, along with one white assailant.
November 17 » Pyotr Ilyich Tchaikovsky's "Slavonic March" is given its premiere performance in Moscow, Russia.
Day of marriage July 2, 1898
The temperature on July 2, 1898 was about 11.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
May 8 » The first games of the Italian football league system are played.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
Day of death July 9, 1961
The temperature on July 9, 1961 was between 12.1 °C and 19.0 °C and averaged 15.5 °C. There was 0.1 mm of rain during 0.1 hours. There was 2.8 hours of sunshine (17%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
August 15 » Border guard Conrad Schumann flees from East Germany while on duty guarding the construction of the Berlin Wall.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
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/I104610.php : accessed October 22, 2026), "Tjitske Koopmans (1876-1961)".
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