The temperature on April 20, 1889 was about 13.9 °C. The air pressure was 64 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
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.
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.
July 11 » Tijuana, Mexico, is founded.
Day of death May 6, 1954
The temperature on May 6, 1954 was between 7.0 °C and 12.6 °C and averaged 9.8 °C. There was 1.4 mm of rain during 1.0 hours. There was 8.0 hours of sunshine (53%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 1 » Armed Puerto Rican nationalists attack the United States Capitol building, injuring five Representatives.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
April 22 » Red Scare: Witnesses begin testifying and live television coverage of the Army–McCarthy hearings begins.
June 24 » First Indochina War: Battle of Mang Yang Pass: Viet Minh troops belonging to the 803rd Regiment ambush G.M.100 of France in An Khê.
July 20 » Germany: Otto John, head of West Germany's secret service, defects to East Germany.
September 9 » The 6.7 Mw Chlef earthquake shakes northern Algeria with a maximum Mercalli intensity of XI (Extreme). At least 1,243 people were killed and 5,000 were injured.
When copying data from this family tree, please include a reference to the origin: Tjerk Peters, "Family tree Peters", database, Genealogy Online (https://www.genealogieonline.nl/peters_stamboom/I500185.php : accessed May 20, 2024), "Roelofje Hendrika van Doodeweerd (1889-1954)".
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