The temperature on July 29, 1889 was about 18.7 °C. There was 0.1 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 31 » The Eiffel Tower is officially opened.
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 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 8 » The first issue of The Wall Street Journal is published.
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: Lucas van Heeren, "Ancestors van Lucas van Heeren", database, Genealogy Online (https://www.genealogieonline.nl/voorouders-lucas-van-heeren/I40877.php : accessed March 28, 2024), "Arnoldus Johannes van IJZERLOO (1889-????)".
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