The temperature on June 26, 1889 was about 25.5 °C. The air pressure was 10 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 45%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 31 » The Eiffel Tower is officially opened.
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.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of death April 26, 1970
The temperature on April 26, 1970 was between 5.3 °C and 10.2 °C and averaged 7.0 °C. There was 0.2 mm of rain during 0.2 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
September 7 » Fighting begins between Arab guerrillas and government forces in Jordan.
November 13 » Bhola cyclone: A 150-mph tropical cyclone hits the densely populated Ganges Delta region of East Pakistan (now Bangladesh), killing an estimated 500,000 people in one night.
December 17 » Polish protests: In Gdynia, soldiers fire at workers emerging from trains, killing dozens.
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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I480401.php : accessed February 26, 2026), "Wilhelmus Petrus Adrianus van Dongen (1889-1970)".
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