The temperature on June 18, 1923 was between 3.3 °C and 12.1 °C and averaged 9.5 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 » Juan de la Cierva makes the first autogyro flight.
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.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
October 6 » The Turkish National Movement enters Constantinople.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
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» United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.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 marriage December 20, 1949
The temperature on December 20, 1949 was between 1.5 °C and 7.3 °C and averaged 3.6 °C. There was 2.5 mm of rain during 4.3 hours. There was 2.5 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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).
February 14 » The Knesset (parliament of Israel) convenes for the first time.
April 23 » Chinese Civil War: Establishment of the People's Liberation Army Navy.
May 9 » Rainier III becomes Prince of Monaco.
September 17 » The Canadian steamship SSNoronic burns in Toronto Harbour with the loss of over 118 lives.
October 28 » An Air France Lockheed Constellation crashes in the Azores, killing all 48 people on board.
November 18 » The Iva Valley Shooting occurs after the coal miners of Enugu in Nigeria go on strike over withheld wages; 21 miners are shot dead and 51 are wounded by police under the supervision of the British colonial administration of Nigeria.
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/I487012.php : accessed March 4, 2026), "Jan Herman "Jan" Staal (1923-2023)".
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