The temperature on May 31, 1889 was about 15.8 °C. There was 1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
When copying data from this family tree, please include a reference to the origin: E.A. Harmsen, "Family tree Harmsen-de Vries", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-harmsen-de-vries/I25360.php : accessed September 26, 2024), "Henricus Cornelis van Ham (1889-????)".
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