March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage October 27, 1920
The temperature on October 27, 1920 was between -3.9 °C and 12.0 °C and averaged 2.6 °C. There was 8.8 hours of sunshine (88%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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 26 » Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer.
February 29 » Czechoslovak National Assembly adopts the Constitution.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
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.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death December 24, 1961
The temperature on December 24, 1961 was between -8.6 °C and -3.6 °C and averaged -6.6 °C. There was 0.1 mm of rain. There was 6.6 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 11 » The trial of Adolf Eichmann begins in Jerusalem.
August 21 » Motown releases what would be its first #1 hit (in America), "Please Mr. Postman" by The Marvelettes.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
October 29 » Syria exits from the United Arab Republic.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I28830.php : accessed February 3, 2026), "Philippus Koudenburg (1889-1961)".
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