The temperature on June 26, 1889 was about 25.5 °C. The air pressure was 10 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 45%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
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.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 8 » Montana is admitted as the 41st U.S. state.
When copying data from this family tree, please include a reference to the origin: M F Koeman, "Family tree Koeman Vlam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koeman-vlam/I514416.php : accessed May 1, 2024), "Jan Cornelis Oskam (1889-????)".
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