The temperature on February 7, 1889 was about 1.5 °C. The air pressure was 4 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 91%. 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.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
When copying data from this family tree, please include a reference to the origin: P.D. Mollet, "Family tree Mollet, van de Pol, ea", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mollet-van-de-pol/I3645883.php : accessed May 3, 2024), "Hendrik "Hendrik" Freerks (1889-????)".
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