July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage November 30, 1921
The temperature on November 30, 1921 was between -15.0 °C and 1.4 °C and averaged -5.6 °C. There was 5.6 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 15 » Kingdom of Romania establishes its legation in Helsinki.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
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 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
Day of death October 31, 1970
The temperature on October 31, 1970 was between 11.6 °C and 13.6 °C and averaged 12.8 °C. There was 8.5 mm of rain during 11.8 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
May 14 » Andreas Baader is freed from custody by Ulrike Meinhof, Gudrun Ensslin and others, a pivotal moment in the formation of the Red Army Faction.
June 11 » After being appointed on May 15, Anna Mae Hays and Elizabeth P. Hoisington officially receive their ranks as U.S. Army Generals, becoming the first women to do so.
September 30 » Jordan makes a deal with the PFLP for the release of the remaining hostages from the Dawson's Field hijackings.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
November 14 » Soviet Union enters ICAO, making Russian the fourth official language of organization.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I110331.php : accessed January 6, 2026), "Petrus Antonia Roks (1897-1970)".
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