The temperature on October 10, 1889 was about 11.7 °C. There was 1 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 88%. 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 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.
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.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
Day of death June 4, 1943
The temperature on June 4, 1943 was between 9.9 °C and 17.7 °C and averaged 13.8 °C. There was 9.8 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 14 » World War II: Rostov-on-Don, Russia is liberated.
March 4 » World War II: The Battle of Fardykambos, one of the first major battles between the Greek Resistance and the occupying Royal Italian Army, begins. It ends on 6 March with the surrender of an entire Italian battalion and the liberation of the town of Grevena.
April 16 » Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.
May 11 » World War II: American troops invade Attu Island in the Aleutian Islands in an attempt to expel occupying Japanese forces.
May 13 » World War II: Operations Vulcan and Strike force the surrender of the last Axis troops in Tunisia.
October 14 » World War II: The American Eighth Air Force loses 60 of 291 B-17 Flying Fortress during the Second Raid on Schweinfurt.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P6760.php : accessed January 3, 2026), "Kermit Roosevelt (1889-1943)".
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