The temperature on June 2, 1917 was between 10.8 °C and 22.5 °C and averaged 16.2 °C. There was 4.7 mm of rain. There was 7.9 hours of sunshine (48%). The average windspeed was 3 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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
July 20 » World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
October 26 » First World War: Brazil declares war on the Central Powers.
December 6 » Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
Day of marriage May 12, 1943
The temperature on May 12, 1943 was between 9.4 °C and 18.4 °C and averaged 13.9 °C. There was 1.9 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 11 » The Republic of China agrees to the Sino-British New Equal Treaty and the Sino-American New Equal Treaty.
April 19 » Albert Hofmann deliberately doses himself with LSD for the first time, three days after having discovered its effects on April 16.
June 12 » The Holocaust: Germany liquidates the Jewish Ghetto in Brzeżany, Poland (now Berezhany, Ukraine). Around 1,180 Jews are led to the city's old Jewish graveyard and shot.
August 28 » Denmark in World War II: German authorities demand that Danish authorities crack down on acts of resistance. The next day, martial law is imposed on Denmark.
September 9 » World War II: The Allies land at Salerno and Taranto, Italy.
November 1 » World War II: The 3rd Marine Division, United States Marines, landing on Bougainville in the Solomon Islands, secures a beachhead, leading that night to a naval clash at the Battle of Empress Augusta Bay.
Day of death January 5, 1958
The temperature on January 5, 1958 was between 0.9 °C and 7.9 °C and averaged 5.2 °C. There was 13.3 mm of rain during 8.2 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
March 24 » Rock 'n' roll teen idol Elvis Presley is drafted in the U.S. Army.
April 13 » American pianist Van Cliburn is awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.
April 14 » The Soviet satellite Sputnik 2 falls from orbit after a mission duration of 162 days. This was the first spacecraft to carry a living animal, a female dog named Laika, who likely lived only a few hours.
October 1 » The National Advisory Committee for Aeronautics is replaced by NASA.
November 28 » First successful flight of SM-65 Atlas; the first operational intercontinental ballistic missile (ICBM), developed by the United States and the first member of the Atlas rocket family.
December 18 » Project SCORE, the world's first communications satellite, is launched.
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/I116196.php : accessed October 12, 2026), "Sipke Hiemstra (1917-1958)".
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