The temperature on December 27, 1889 was about -1.7 °C. The air pressure was 38 kgf/m2 and came mainly from the east-northeast. The airpressure was 78 cm mercury. The atmospheric humidity was 77%. Source: KNMI
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.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
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: Isabel Kos, "Family tree Kos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kos/I90.php : accessed March 5, 2026), "Willem Gosens (-1889)".
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