The temperature on June 22, 1889 was about 21.5 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 63%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of death April 18, 1935
The temperature on April 18, 1935 was between 1.7 °C and 12.2 °C and averaged 7.5 °C. There was 2.4 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 13 » A jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.
July 1 » Regina, Saskatchewan police and Royal Canadian Mounted Police ambush strikers participating in the On-to-Ottawa Trek.
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
September 15 » The Nuremberg Laws deprive German Jews of citizenship.
September 17 » The Niagara Gorge Railroad ceases operations after a rockslide.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I91785.php : accessed October 18, 2026), "Jacob Leegwater (1889-1935)".
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