The temperature on September 18, 1887 was about 12.7 °C. There was 0.4 mm of rain. The air pressure was 21 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
November 13 » Bloody Sunday clashes in central London.
Day of marriage July 15, 1914
The temperature on July 15, 1914 was between 14.2 °C and 27.0 °C and averaged 18.8 °C. There was 2.7 mm of rain. There was 5.6 hours of sunshine (34%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 8 » First flights (for the Royal Thai Air Force) at Don Mueang International Airport in Bangkok.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
September 3 » World War I: Start of the Battle of Grand Couronné, a German assault against French positions on high ground near the city of Nancy.
October 9 » World War I: The Siege of Antwerp comes to an end.
November 26 » HMS Bulwark was destroyed by a large internal explosion with the loss of 741 men near Sheerness.
Day of death January 14, 1965
The temperature on January 14, 1965 was between 3.1 °C and 7.3 °C and averaged 5.2 °C. There was 2.6 mm of rain during 2.3 hours. There was 1.6 hours of sunshine (20%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
February 18 » The Gambia becomes independent from the United Kingdom.
February 20 » Ranger 8 crashes into the Moon after a successful mission of photographing possible landing sites for the Apollo program astronauts.
May 18 » Israeli spy Eli Cohen is hanged in Damascus, Syria.
October 15 » Vietnam War: A draft card is burned during an anti-war rally by the Catholic Worker Movement, resulting in the first arrest under a new law.
November 11 » Southern Rhodesia's Prime Minister Ian Smith unilaterally declares the colony independent as the unrecognised state of Rhodesia
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2149.php : accessed February 23, 2026), "Dorothea Kolb (1887-1965)".
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