The temperature on December 20, 1921 was between 5.4 °C and 9.7 °C and averaged 7.7 °C. There was 4.7 mm of rain. There was 1.1 hours of sunshine (14%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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.
March 31 » The Royal Australian Air Force is formed.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
Day of marriage April 20, 1949
The temperature on April 20, 1949 was between 4.0 °C and 13.2 °C and averaged 9.6 °C. There was 11.2 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 15 » Chinese Civil War: The Communist forces take over Tianjin from the Nationalist Government.
June 8 » George Orwell's Nineteen Eighty-Four is published.
June 14 » Albert II, a rhesus monkey, rides a V-2 rocket to an altitude of 134km (83mi), thereby becoming the first monkey in space.
July 20 » The Israel–Syria Mixed Armistice Commission brokers the last of four ceasefire agreements to end the 1948 Arab–Israeli War.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
November 2 » The Dutch–Indonesian Round Table Conference ends with the Netherlands agreeing to transfer sovereignty of the Dutch East Indies to the United States of Indonesia.
Day of death June 19, 1961
The temperature on June 19, 1961 was between 7.5 °C and 18.6 °C and averaged 13.6 °C. There was 14.2 hours of sunshine (85%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
March 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
August 21 » Motown releases what would be its first #1 hit (in America), "Please Mr. Postman" by The Marvelettes.
September 18 » U.N. Secretary-General Dag Hammarskjöld dies in an air crash while attempting to negotiate peace in the Katanga region of the Democratic Republic of the Congo.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I635.php : accessed February 11, 2026), "Lambertus Leenheers (1921-1961)".
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