February 20 » The legislature of Hawaii Territory convenes for the first time.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
Day of marriage October 20, 1923
The temperature on October 20, 1923 was between 11.1 °C and 18.1 °C and averaged 13.5 °C. There was 0.7 mm of rain. There was 0.5 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
September 8 » Honda Point disaster: Nine US Navy destroyers run aground off the California coast. Seven are lost, and twenty-three sailors killed.
October 6 » The Turkish National Movement enters Constantinople.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
November 9 » In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death April 9, 1985
The temperature on April 9, 1985 was between 4.3 °C and 12.0 °C and averaged 8.5 °C. There was -0.1 mm of rain. There was 3.1 hours of sunshine (23%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 4 » The Food and Drug Administration approves a blood test for HIV infection, used since then for screening all blood donations in the United States.
March 8 » A supposed failed assassination attempt on Islamic cleric Sayyed Mohammad Hussein Fadlallah in Beirut, Lebanon kills at least 45 and injures 175 others.
April 23 » Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative, and the original formula is back on the market in less than three months.
November 9 » Garry Kasparov, 22, of the Soviet Union becomes the youngest World Chess Champion by beating fellow Soviet Anatoly Karpov.
November 15 » The Anglo-Irish Agreement is signed at Hillsborough Castle by British Prime Minister Margaret Thatcher and Irish Taoiseach Garret FitzGerald.
November 21 » United States Navy intelligence analyst Jonathan Pollard is arrested for spying after being caught giving Israel classified information on Arab nations. He is subsequently sentenced to life in prison.
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/I618.php : accessed March 3, 2026), "Pieter Rol (1901-1985)".
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