January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of marriage May 13, 1922
The temperature on May 13, 1922 was between 0.4 °C and 12.6 °C and averaged 6.5 °C. There was 11.0 hours of sunshine (71%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
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.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
August 2 » A typhoon hits Shantou, Republic of China, killing more than 50,000 people.
September 30 » The University of Alabama opens the American football season with a 110–0 victory over the Marion Military Institute, which still stands as Alabama's record for largest margin of victory and as their only 100 point game.
November 14 » The British Broadcasting Company begins radio service in the United Kingdom.
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
December 9 » Gabriel Narutowicz is elected the first president of Poland.
Day of death May 21, 1949
The temperature on May 21, 1949 was between 5.8 °C and 18.7 °C and averaged 12.7 °C. There was 14.1 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 Asbestos Strike begins in Canada. The strike marks the beginning of the Quiet Revolution in Quebec.
May 12 » Cold War: The Soviet Union lifts its blockade of Berlin.
August 31 » The retreat of the Democratic Army of Greece in Albania after its defeat on Gramos mountain marks the end of the Greek Civil War.
October 25 » The Battle of Guningtou in the Taiwan Strait begins.
November 15 » Nathuram Godse and Narayan Apte are executed for assassinating Mahatma Gandhi.
December 4 » Sir Duncan George Stewart was fatally stabbed by Rosli Dhobi, a member leader of the Rukun 13, in Sibu, Sarawak, Malaysia during the British crown colony era in that state.
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/I313640.php : accessed March 16, 2026), "Roelf Nijland (1900-1949)".
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