The temperature on August 4, 1889 was about 19.1 °C. The air pressure was 10 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
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 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
Day of death March 23, 1961
The temperature on March 23, 1961 was between 6.7 °C and 11.4 °C and averaged 8.2 °C. There was 1.6 hours of sunshine (13%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 25 » 101 Dalmatians premiered from Walt Disney Productions.
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
July 21 » Mercury program: Mercury-Redstone 4 Mission: Gus Grissom piloting Liberty Bell 7 becomes the second American to go into space (in a suborbital mission).
August 25 » President Jânio Quadros of Brazil resigns after just seven months in power, initiating a political crisis that culminates in a military coup in 1964.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
When copying data from this family tree, please include a reference to the origin: Nabestaanden Sierd Eizenga , "Family tree Eizenga-Vis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eizenga-vis/I6830.php : accessed January 2, 2026), "Sijke Hendriks Jonkman (1889-1961)".
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