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
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
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
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
April 6 » Newhall massacre: Four California Highway Patrol officers are killed in a shootout.
August 29 » Chicano Moratorium against the Vietnam War, East Los Angeles, California. Police riot kills three people, including journalist Rubén Salazar.
September 4 » Salvador Allende is elected President of Chile.
September 5 » Jochen Rindt becomes the only driver to posthumously win the Formula One World Drivers' Championship (in 1970), after being killed in practice for the Italian Grand Prix.
October 9 » The Khmer Republic is proclaimed in Cambodia.
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 October 19, 2026), "Hiepko Jacob Emmelkamp (1889-1970)".
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