The temperature on August 2, 1917 was between 12.1 °C and 14.4 °C and averaged 13.7 °C. There was 9.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
May 19 » The Norwegian football club Rosenborg BK is founded.
July 28 » The Silent Parade took place in New York City, in protest to murders, lynchings, and other violence directed towards African Americans.
October 12 » World War I: The First Battle of Passchendaele takes place resulting in the largest single-day loss of life in New Zealand history.
December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
Day of marriage November 17, 1938
The temperature on November 17, 1938 was between 2.9 °C and 7.6 °C and averaged 5.5 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
August 18 » The Thousand Islands Bridge, connecting New York, United States with Ontario, Canada over the Saint Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death July 27, 1970
The temperature on July 27, 1970 was between 13.8 °C and 19.5 °C and averaged 17.0 °C. There was 0.2 mm of rain during 0.5 hours. There was 1.9 hours of sunshine (12%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 12 » Biafra capitulates, ending the Nigerian Civil War.
January 15 » Muammar Gaddafi is proclaimed premier of Libya.
March 28 » An earthquake strikes western Turkey at about 23:05 local time, killing 1,086 and injuring 1,260.
September 2 » NASA announces the cancellation of two Apollo missions to the Moon, Apollo 15 (the designation is re-used by a later mission), and Apollo 19.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
November 9 » Vietnam War: The Supreme Court of the United States votes 6–3 against hearing a case to allow Massachusetts to enforce its law granting residents the right to refuse military service in an undeclared war.
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/I135621.php : accessed January 7, 2026), "Harmina Piersma (1917-1970)".
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