The temperature on June 19, 1904 was between 10.2 °C and 17.4 °C and averaged 13.7 °C. There was 4.4 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 17 » Madama Butterfly receives its première at La Scala in Milan.
April 8 » Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
Day of marriage March 28, 1923
The temperature on March 28, 1923 was between 5.0 °C and 16.5 °C and averaged 10.5 °C. There was 3.8 hours of sunshine (30%). The average windspeed was 3 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.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 15 » Insulin becomes generally available for use by people with diabetes.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
Day of death September 23, 1970
The temperature on September 23, 1970 was between 5.1 °C and 16.6 °C and averaged 10.4 °C. There was 6.1 hours of sunshine (50%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 6 » Newhall massacre: Four California Highway Patrol officers are killed in a shootout.
April 15 » During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
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.
June 15 » Charles Manson goes on trial for the Sharon Tate murders.
November 5 » The Military Assistance Command, Vietnam reports the lowest weekly American soldier death toll in five years (24).
November 13 » Bhola cyclone: A 150-mph tropical cyclone hits the densely populated Ganges Delta region of East Pakistan (now Bangladesh), killing an estimated 500,000 people in one night.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I457757.php : accessed February 1, 2026), "Pieter Pleun van der Klis (1904-1970)".
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