The temperature on June 20, 1881 was about 20.9 °C. The air pressure was 3 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 62%. 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.
February 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
July 2 » Charles J. Guiteau shoots and fatally wounds U.S. President James A. Garfield (who will die of complications from his wounds on September 19).
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
November 9 » Mapuche rebels attack the fortified Chilean settlement of Temuco.
Day of marriage August 21, 1912
The temperature on August 21, 1912 was between 10.5 °C and 15.5 °C and averaged 13.1 °C. There was 5.8 mm of rain. There was 7.0 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
September 2 » Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
November 27 » Spain declares a protectorate over the north shore of Morocco.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
Day of death August 29, 1964
The temperature on August 29, 1964 was between 8.7 °C and 17.6 °C and averaged 14.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 8.6 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 16 » Hello, Dolly! opened on Broadway, beginning a run of 2,844 performances.
August 4 » Civil rights movement: Civil rights workers Michael Schwerner, Andrew Goodman and James Chaney are found dead in Mississippi after disappearing on June 21.
August 5 » Vietnam War: Operation Pierce Arrow: American aircraft from carriers USSTiconderoga and USSConstellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin.
August 16 » Vietnam War: A coup d'état replaces Dương Văn Minh with General Nguyễn Khánh as President of South Vietnam. A new constitution is established with aid from the U.S. Embassy.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
November 3 » Lyndon B. Johnson is elected to a full term as U.S. president, winning 61% of the vote and 44 states, while Washington D.C. residents are able to vote in a presidential election for the first time, casting the majority of their votes for Lyndon Johnson.
When copying data from this family tree, please include a reference to the origin: Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I43390.php : accessed February 26, 2026), "Helena Maria Post (1881-1964)".
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