The temperature on April 22, 1889 was about 10.4 °C. The air pressure was 14 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. 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.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
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.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
When copying data from this family tree, please include a reference to the origin: Helma Bovenschen-van Gelderen, "Genealogy Bovenschen, Looijenga, Van Gelderen en Van Donk", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-bovenschen/I21005.php : accessed June 1, 2024), "Roelanda van Hekezen (1889-????)".
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