February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
February 27 » King George I of Greece survives an assassination attempt.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of death February 20, 1969
The temperature on February 20, 1969 was between -2.3 °C and 4.2 °C and averaged 1.4 °C. There was 8.9 mm of rain during 9.7 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 2 » In Toulouse, France, the first test flight of the Anglo-French Concorde is conducted.
August 12 » Violence erupts after the Apprentice Boys of Derry march in Derry, Northern Ireland, resulting in a three-day communal riot known as the Battle of the Bogside.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
November 12 » Vietnam War: Independent investigative journalist Seymour Hersh breaks the story of the My Lai Massacre.
November 20 » Occupation of Alcatraz: Native American activists seize control of Alcatraz Island until being ousted by the U.S. Government on June 11, 1971.
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R3285.php : accessed January 20, 2026), "Antje de Graaf (1898-1969)".
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