The temperature on May 3, 1889 was about 11.9 °C. The air pressure was 6 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of death February 14, 1970
The temperature on February 14, 1970 was between -6.1 °C and 2.6 °C and averaged -2.4 °C. There was 2.0 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 10 » Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes.
April 22 » The first Earth Day is celebrated.
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
September 7 » Fighting begins between Arab guerrillas and government forces in Jordan.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
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/I11227.php : accessed October 4, 2026), "Rigorius de Jong (1889-1970)".
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