The temperature on July 14, 1870 was about 22.8 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 72%. 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 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
August 16 » Franco-Prussian War: The Battle of Mars-la-Tour is fought, resulting in a Prussian victory.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
September 4 » Emperor Napoleon III of France is deposed and the Third Republic is declared.
September 19 » Franco-Prussian War: The siege of Paris begins. The city will hold out for over four months before surrendering.
Day of marriage April 30, 1893
The temperature on April 30, 1893 was about 11.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 17 » Lorrin A. Thurston, along with the Citizens' Committee of Public Safety, led the Overthrow of the Kingdom of Hawaii and the government of Queen Liliʻuokalani.
June 5 » The trial of Lizzie Borden for the murder of her father and step-mother begins in New Bedford, Massachusetts.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
July 9 » Daniel Hale Williams, American heart surgeon, performs the first successful open-heart surgery in United States without anesthesia.
July 11 » A revolution led by the liberal general and politician José Santos Zelaya takes over state power in Nicaragua.
November 7 » Women's suffrage: Women in the U.S. state of Colorado are granted the right to vote, the second state to do so.
Day of death February 19, 1952
The temperature on February 19, 1952 was between -0.4 °C and 7.4 °C and averaged 3.7 °C. There was 0.3 mm of rain during 0.1 hours. There was 0.4 hours of sunshine (4%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 20 » Emmett Ashford becomes the first African-American umpire in organized baseball by being authorized to be a substitute umpire in the Southwestern International League.
March 21 » Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.
May 3 » The Kentucky Derby is televised nationally for the first time, on the CBS network.
July 7 » The ocean liner SSUnited States passes Bishop Rock on her maiden voyage, breaking the transatlantic speed record to become the fastest passenger ship in the world.
July 23 » General Muhammad Naguib leads the Free Officers Movement (formed by Gamal Abdel Nasser, the real power behind the coup) in overthrowing King Farouk of Egypt.
August 15 » A flash flood drenches the town of Lynmouth, England, killing 34 people.
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/I50258.php : accessed December 27, 2025), "Jan van der Molen (1870-1952)".
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