The temperature on February 23, 1879 was about -4.1 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
January 22 » The Battle of Rorke's Drift, also during the Anglo-Zulu War and just some 15km away from Isandlwana, results in a British victory.
February 15 » Women's rights: US President Rutherford B. Hayes signs a bill allowing female attorneys to argue cases before the Supreme Court of the United States.
April 5 » Chile declares war on Bolivia and Peru, starting the War of the Pacific.
May 2 » The Spanish Socialist Workers' Party is founded in Madrid by Pablo Iglesias.
July 1 » Charles Taze Russell publishes the first edition of the religious magazine The Watchtower.
October 21 » Thomas Edison applies for a patent for his design for an incandescent light bulb.
Day of marriage May 14, 1904
The temperature on May 14, 1904 was between 9.5 °C and 21.3 °C and averaged 15.7 °C. There was 1.1 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of death September 7, 1967
The temperature on September 7, 1967 was between 6.0 °C and 17.5 °C and averaged 11.3 °C. There was 5.1 hours of sunshine (38%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 27 » Cold War: The Soviet Union, the United States, and the United Kingdom sign the Outer Space Treaty in Washington, D.C., banning deployment of nuclear weapons in space, and limiting use of the Moon and other celestial bodies to peaceful purposes.
April 9 » The first Boeing 737 (a 100 series) makes its maiden flight.
June 2 » Luis Monge is executed in Colorado's gas chamber, in the last pre-Furman execution in the United States.
June 8 » Six-Day War: The USS Liberty incident occurs, killing 34 and wounding 171.
September 30 » The BBC Light Programme, Third Programme and Home Service are replaced with BBC Radio 2, 3 and 4 Respectively, BBC Radio 1 is also launched.
November 15 » The only fatality of the North American X-15 program occurs during the 191st flight when Air Force test pilot Michael J. Adams loses control of his aircraft which is destroyed mid-air over the Mojave Desert.
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/I59688.php : accessed December 28, 2025), "Hendrik Helder (1879-1967)".
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