February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 14 » The Exposition Universelle begins.
May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
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.
January 11 » First use of insulin to treat diabetes in a human patient.
April 3 » Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
October 29 » King Victor Emmanuel III of Italy appoints Benito Mussolini as Prime Minister.
November 1 » Abolition of the Ottoman sultanate: The last sultan of the Ottoman Empire, Mehmed VI, abdicates.
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).
January 25 » The first Emmy Awards are presented; the venue is the Hollywood Athletic Club.
March 8 » President of France Vincent Auriol and ex-emperor of Annam Bảo Đại sign the Élysée Accords, giving Vietnam greater independence from France and creating the State of Vietnam to oppose Viet Minh-led Democratic Republic of Vietnam.
June 24 » The first television western, Hopalong Cassidy, starring William Boyd, is aired on NBC.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
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 1 » The People's Republic of China is established.
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 February 18, 2026), "Roelf Nijland (1900-1949)".
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