The temperature on March 16, 1889 was about 0.9 °C. The air pressure was 22 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 83%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
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.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of death January 9, 1970
The temperature on January 9, 1970 was between -1.0 °C and 3.4 °C and averaged 0.9 °C. There was 4.9 mm of rain during 3.7 hours. The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
April 8 » Bahr El-Baqar primary school bombing: Israeli bombers strike an Egyptian school. Forty-six children are killed.
September 5 » Vietnam War: Operation Jefferson Glenn begins: The United States 101st Airborne Division and the South Vietnamese 1st Infantry Division initiate a new operation in Thừa Thiên–Huế Province.
November 17 » Luna programme: The Soviet Union lands Lunokhod 1 on Mare Imbrium (Sea of Rains) on the Moon. This is the first roving remote-controlled robot to land on another world and is released by the orbiting Luna 17 spacecraft.
December 21 » First flight of F-14 multi-role combat aircraft.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I203319.php : accessed February 14, 2026), "Hiepko Jacob Emmelkamp (1889-1970)".
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