The temperature on June 22, 1889 was about 21.5 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 63%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
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 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
July 8 » The first issue of The Wall Street Journal is published.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage March 19, 1914
The temperature on March 19, 1914 was between 0.8 °C and 7.9 °C and averaged 4.4 °C. There was 2.0 mm of rain. There was 3.1 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 1 » The SPT Airboat Line becomes the world's first scheduled airline to use a winged aircraft.
June 12 » Massacre of Phocaea: Turkish irregulars slaughter 50 to 100 Greeks and expel thousands of others in an ethnic cleansing operation in the Ottoman Empire.
August 2 » The German occupation of Luxembourg during World War I begins.
August 4 » In response to the German invasion of Belgium, Belgium and the British Empire declare war on Germany. The United States declares its neutrality.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
Day of death May 21, 1974
The temperature on May 21, 1974 was between 8.3 °C and 18.8 °C and averaged 14.0 °C. There was 3.5 mm of rain during 1.5 hours. There was 2.2 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 21 » The last Israeli soldiers leave the west bank of the Suez Canal pursuant to a truce with Egypt.
April 29 » Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.
June 1 » The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine.
August 5 » Vietnam War: The U.S. Congress places a $1billion limit on military aid to South Vietnam.
October 19 » Niue becomes a self-governing colony of New Zealand.
December 22 » Grande Comore, Anjouan and Mohéli vote to become the independent nation of Comoros. Mayotte remains under French administration.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I7697.php : accessed January 5, 2026), "Marie Joseph Edouard Jacques Marcellin Hubert Armand Roelants du Vivier (1889-1974)".
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