The temperature on February 11, 1870 was about -4.1 °C. The air pressure was 15 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 51%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 10 » John D. Rockefeller incorporates Standard Oil.
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
February 9 » US president Ulysses S. Grant signs a joint resolution of Congress establishing the U.S. Weather Bureau.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
September 2 » Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of death February 21, 1945
The temperature on February 21, 1945 was between -0.1 °C and 9.8 °C and averaged 4.1 °C. There was 0.1 mm of rain. There was 7.7 hours of sunshine (75%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
February 21 » World War II: the Brazilian Expeditionary Force defeat the German forces in the Battle of Monte Castello on the Italian front.
February 23 » World War II: The German town of Pforzheim is annihilated in a raid by 379 British bombers.
April 12 » U.S. President Franklin D. Roosevelt dies in office; Vice President Harry S. Truman becomes President upon Roosevelt's death.
April 20 » World War II: U.S. troops capture Leipzig, Germany, only to later cede the city to the Soviet Union.
August 6 » World War II: Hiroshima, Japan is devastated when the atomic bomb "Little Boy" is dropped by the United States B-29 Enola Gay. Around 70,000 people are killed instantly, and some tens of thousands die in subsequent years from burns and radiation poisoning.
December 12 » The People's Republic of Korea is outlawed in the South, by order of the United States Army Military Government in Korea.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I141044.php : accessed February 15, 2026), "Petrus Johannes Jacobus la Lau (1870-1945)".
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