January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
Day of marriage October 3, 1921
The temperature on October 3, 1921 was between 14.4 °C and 18.5 °C and averaged 16.1 °C. There was 1.3 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
Day of death December 25, 1963
The temperature on December 25, 1963 was between -8.2 °C and 3.3 °C and averaged -2.2 °C. There was 1.1 mm of rain during 0.9 hours. There was 2.7 hours of sunshine (35%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 23 » The Guinea-Bissau War of Independence officially begins when PAIGC guerrilla fighters attack the Portuguese army stationed in Tite.
April 16 » Dr. Martin Luther King Jr. pens his Letter from Birmingham Jail while incarcerated in Birmingham, Alabama for protesting against segregation.
June 12 » NAACP field secretary Medgar Evers is murdered in front of his home in Jackson, Mississippi by Ku Klux Klan member Byron De La Beckwith during the civil rights movement.
June 24 » The United Kingdom grants Zanzibar internal self-government.
July 24 » The ship Bluenose II was launched in Lunenburg, Nova Scotia. The schooner is a major Canadian symbol.
November 22 » William Clay Ford Sr. buys the Detroit Lions for $4.5 million.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18486.php : accessed January 8, 2026), "Petrus Johannes Dreyer (1896-1963)".
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