The temperature on November 26, 1889 was about 6.7 °C. There was 1 mm of rain. The air pressure was 12 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 68%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 8 » Montana is admitted as the 41st U.S. state.
Day of death April 30, 1943
The temperature on April 30, 1943 was between 5.9 °C and 14.0 °C and averaged 10.4 °C. There was 0.6 mm of rain during 1.8 hours. There was 4.7 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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.
February 14 » World War II: Rostov-on-Don, Russia is liberated.
April 8 » U.S. President Franklin D. Roosevelt, in an attempt to check inflation, freezes wages and prices, prohibits workers from changing jobs unless the war effort would be aided thereby, and bars rate increases by common carriers and public utilities.
June 4 » A military coup in Argentina ousts Ramón Castillo.
June 19 » The Philadelphia Eagles and Pittsburgh Steelers in the NFL merge for one season due to player shortages caused by World War II.
October 31 » World War II: An F4U Corsair accomplishes the first successful radar-guided interception by a United States Navy or Marine Corps aircraft.
November 18 » World War II: Battle of Berlin: Four hundred and forty Royal Air Force planes bomb Berlin causing only light damage and killing 131. The RAF loses nine aircraft and 53 air crew.
When copying data from this family tree, please include a reference to the origin: E. Lemoine, "Stamboom Lemoine/Post/Breg/Kensen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-post/I1296.php : accessed February 16, 2026), "Johannes Klaasz Hakvoort (1889-1943)".
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