The temperature on March 26, 1889 was about 7.5 °C. There was 1 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
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.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage June 6, 1912
The temperature on June 6, 1912 was between 9.9 °C and 17.4 °C and averaged 13.5 °C. There was 2.9 mm of rain. There was 5.0 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
October 7 » The Helsinki Stock Exchange sees its first transaction.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of death September 13, 1970
The temperature on September 13, 1970 was between 11.1 °C and 16.0 °C and averaged 13.1 °C. There was 7.8 mm of rain during 4.5 hours. There was 8.1 hours of sunshine (63%). The partly or heavily clouded was. The average windspeed was 4 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.
March 10 » Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes.
April 26 » The Convention Establishing the World Intellectual Property Organization enters into force.
August 15 » Patricia Palinkas becomes the first woman to play professionally in an American football game.
September 19 » Kostas Georgakis, a Greek student of geology, sets himself ablaze in Matteotti Square in Genoa, Italy, as a protest against the dictatorial regime of Georgios Papadopoulos.
October 26 » Muhammad Ali boxes for the first time after Ali's three-year hiatus due to draft evasion.
When copying data from this family tree, please include a reference to the origin: A.P. de Ruyter, "Family tree De Ruyter-Hakkenbroek", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-geus/I167.php : accessed January 25, 2026), "Dirk de Geus (1889-1970)".
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