February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of death January 31, 1914
The temperature on January 31, 1914 was between 0.8 °C and 7.7 °C and averaged 4.1 °C. There was 7.0 hours of sunshine (78%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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.
March 1 » The Republic of China joins the Universal Postal Union.
May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
July 11 » USSNevada(BB-36) is launched.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
December 14 » Lisandro de la Torre and others found the Democratic Progressive Party (Partido Demócrata Progresista, PDP) at the Hotel Savoy, Buenos Aires, Argentina.
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/I4709.php : accessed October 8, 2026), "Grietje Boomsma (1897-1914)".
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