April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage January 20, 1921
The temperature on January 20, 1921 was between 1.4 °C and 9.0 °C and averaged 6.4 °C. There was 0.2 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 26 » The Chicago Theatre opens.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
Day of death February 16, 1970
The temperature on February 16, 1970 was between -6.2 °C and 1.4 °C and averaged -1.5 °C. There was 9.6 mm of rain during 5.6 hours. There was 1.5 hours of sunshine (15%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 1 » President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertising on television and radio in the United States, effective 1 January 1971.
April 26 » The Convention Establishing the World Intellectual Property Organization enters into force.
May 31 » The 7.9 Mw Ancash earthquake shakes Peru with a maximum Mercalli intensity of VIII (Severe) and a landslide buries the town of Yungay, Peru. Between 66,794–70,000 were killed and 50,000 were injured.
July 3 » The Troubles: The "Falls Curfew" begins in Belfast, Northern Ireland.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
November 26 » In Basse-Terre, Guadeloupe, 1.5 inches (38.1mm) of rain fall in a minute, the heaviest rainfall ever recorded.
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/I108876.php : accessed October 20, 2026), "Hepke Poelstra (1897-1970)".
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