April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death January 14, 1980
The temperature on January 14, 1980 was between -11.0 °C and -2.7 °C and averaged -6.1 °C. The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
March 14 » LOT Flight 7 crashes during final approach near Warsaw, Poland, killing 87 people, including a 14-man American boxing team.
March 24 » El Salvadorian Archbishop Óscar Romero is assassinated while celebrating Mass in San Salvador.
March 27 » Silver Thursday: A steep fall in silver prices, resulting from the Hunt Brothers attempting to corner the market in silver, leads to panic on commodity and futures exchanges.
July 29 » Iran adopts a new "holy" flag after the Islamic Revolution.
October 9 » Pope John Paul II greets the Dalai Lama during a private audience in Vatican City.
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/I200155.php : accessed October 13, 2026), "Henderikus Mulder (1897-1980)".
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