The temperature on December 5, 1889 was about -0.1 °C. The air pressure was 6 kgf/m2 and came mainly from the northeast. The airpressure was 78 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
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.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
When copying data from this family tree, please include a reference to the origin: Kees Koek, "Koek en enkele aanverwante families", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-koek/I56646.php : accessed May 15, 2024), "Willem Frederik Nicolaas Rovroy (1889-????)".
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