The temperature on May 12, 1889 was about 15.1 °C. The air pressure was 10 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
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.
July 11 » Tijuana, Mexico, is founded.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
Day of death May 19, 1958
The temperature on May 19, 1958 was between 10.7 °C and 17.4 °C and averaged 13.3 °C. There was 0.1 mm of rain during 0.1 hours. There was 2.7 hours of sunshine (17%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 13 » The Moroccan Army of Liberation ambushes a Spanish patrol in the Battle of Edchera.
February 22 » Egypt and Syria join to form the United Arab Republic.
March 19 » The Monarch Underwear Company fire leaves 24 dead and 15 injured.
December 1 » The Our Lady of the Angels School fire in Chicago kills 92 children and three nuns.
December 28 » "Greatest Game Ever Played": Baltimore Colts defeat the New York Giants in the first ever National Football League sudden death overtime game at New York's Yankee Stadium.
When copying data from this family tree, please include a reference to the origin: A. Hakkert , "Family tree Hakkert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hakkert/I4170.php : accessed February 16, 2026), "Syke Leistra (1889-1958)".
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