February 15 » The battleship USSMaine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
August 25 » Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
Day of marriage September 17, 1920
The temperature on September 17, 1920 was between 9.9 °C and 17.6 °C and averaged 13.5 °C. There was 1.7 mm of rain. There was 5.7 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death July 6, 1976
The temperature on July 6, 1976 was between 18.1 °C and 30.4 °C and averaged 23.7 °C. There was 14.1 hours of sunshine (85%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
June 28 » The Angolan court sentences US and UK mercenaries to death sentences and prison terms in the Luanda Trial.
July 17 » East Timor is annexed, and becomes the 27th province of Indonesia.
September 11 » A bomb planted by a Croatian terrorist, Zvonko Bušić, is found at New York's Grand Central Terminal; one NYPD officer is killed trying to defuse it.
October 6 » Premier Hua Guofeng arrests the Gang of Four, ending the Cultural Revolution in China.
October 20 » The ferry George Prince is struck by a ship while crossing the Mississippi River. Seventy-eight passengers and crew die, and only 18 people aboard the ferry survive.
December 3 » An assassination attempt is made on Bob Marley in Kingston, Jamaica just two days before the "Smile Jamaica", a free concert.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I2260.php : accessed February 3, 2026), "Grietje Wagenaar (1898-1976)".
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