The temperature on July 10, 1889 was about 19.5 °C. There was 1 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. 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.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
July 8 » The first issue of The Wall Street Journal is published.
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
When copying data from this family tree, please include a reference to the origin: Willem Slotboom, "Slotboom family tree", database, Genealogy Online (https://www.genealogieonline.nl/slotboom-family-tree/I528072.php : accessed September 21, 2024), "Johanna Hendrika Martina Valkenburg (1889-????)".
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