January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
January 30 » The first Anglo-Japanese Alliance is signed in London.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage July 8, 1921
The temperature on July 8, 1921 was between 9.1 °C and 23.0 °C and averaged 16.5 °C. There was 10.8 hours of sunshine (65%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 15 » Talaat Pasha, former Grand Vizir of the Ottoman Empire and chief architect of the Armenian Genocide is assassinated in Berlin by a 23-year-old Armenian, Soghomon Tehlirian.
May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death December 22, 1943
The temperature on December 22, 1943 was between 2.3 °C and 5.9 °C and averaged 4.2 °C. There was 3.4 mm of rain during 3.3 hours. There was 0.4 hours of sunshine (5%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
June 1 » BOAC Flight 777 is shot down over the Bay of Biscay by German Junkers Ju 88s, killing British actor Leslie Howard and leading to speculation that it was actually an attempt to kill British Prime Minister Winston Churchill.
July 12 » German and Soviet forces engage in one of the largest armored engagements of all time.
November 18 » World War II: Battle of Berlin: Four hundred and forty Royal Air Force planes bomb Berlin causing only light damage and killing 131. The RAF loses nine aircraft and 53 air crew.
November 22 » Lebanon gains independence from France.
November 22 » World War II: Cairo Conference: U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Chinese Premier Chiang Kai-shek meet in Cairo, Egypt, to discuss ways to defeat Japan.
December 4 » World War II: In Yugoslavia, resistance leader Marshal Josip Broz Tito proclaims a provisional democratic Yugoslav government in-exile.
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/I403246.php : accessed February 27, 2026), "Thee Idema (1902-1943)".
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