The temperature on September 20, 1881 was about 14.5 °C. The air pressure was 1 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
April 11 » Spelman College is founded in Atlanta, Georgia as the Atlanta Baptist Female Seminary, an institute of higher education for African-American women.
June 13 » The USS Jeannette is crushed in an Arctic Ocean ice pack.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
August 27 » The Georgia hurricane makes landfall near Savannah, Georgia, resulting in an estimated 700 deaths.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
Day of marriage July 8, 1915
The temperature on July 8, 1915 was between 12.4 °C and 17.6 °C and averaged 14.7 °C. There was 12.9 mm of rain. There was 3.0 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of death April 18, 1962
The temperature on April 18, 1962 was between 6.4 °C and 21.3 °C and averaged 12.8 °C. There was 2.6 hours of sunshine (18%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
July 30 » The Trans-Canada Highway, the longest national highway in the world, is officially opened.
August 7 » Canadian-born American pharmacologist Frances Oldham Kelsey awarded the U.S. President's Award for Distinguished Federal Civilian Service for her refusal to authorize thalidomide.
August 20 » The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage.
September 8 » Last run of the famous Pines Express over the Somerset and Dorset Railway line (UK) fittingly using the last steam locomotive built by British Railways, BR Standard Class 9F 92220 Evening Star.
November 4 » The United States concludes Operation Fishbowl, its final above-ground nuclear weapons testing series, in anticipation of the 1963 Partial Nuclear Test Ban Treaty.
November 24 » Cold War: The West Berlin branch of the Socialist Unity Party of Germany forms a separate party, the Socialist Unity Party of West Berlin.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I8532.php : accessed March 16, 2026), "Maria Pool (1881-1962)".
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