January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage April 22, 1922
The temperature on April 22, 1922 was between -2.3 °C and 10.6 °C and averaged 4.3 °C. There was 7.3 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
March 15 » After Egypt gains nominal independence from the United Kingdom, Fuad I becomes King of Egypt.
March 26 » The German Social Democratic Party is founded in Poland.
May 30 » The Lincoln Memorial is dedicated in Washington, D.C..
August 2 » A typhoon hits Shantou, Republic of China, killing more than 50,000 people.
October 29 » King Victor Emmanuel III of Italy appoints Benito Mussolini as Prime Minister.
Day of death June 30, 1944
The temperature on June 30, 1944 was between 11.0 °C and 17.7 °C and averaged 14.7 °C. There was 2.3 mm of rain during 2.6 hours. There was 3.0 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 19 » World War II: The German army occupies Hungary.
June 20 » Continuation War: The Soviet Union demands an unconditional surrender from Finland during the beginning of partially successful Vyborg-Petrozavodsk Offensive. The Finnish government refuses.
September 17 » World War II: Allied airborne troops parachute into the Netherlands as the "Market" half of Operation Market Garden.
September 18 » World War II: The British submarine HMSTradewind torpedoes Jun'yō Maru, killing 5,600, mostly slave labourers and POWs.
October 19 » A coup is launched against Juan Federico Ponce Vaides, beginning the ten-year Guatemalan Revolution.
November 7 » Soviet spy Richard Sorge, a half-Russian, half-German World War I veteran, is hanged by his Japanese captors along with 34 of his ring.
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/I78601.php : accessed October 7, 2026), "Martin Piersma (1898-1944)".
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