The temperature on June 21, 1911 was between 11.2 °C and 18.1 °C and averaged 14.5 °C. There was 3.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage August 21, 1935
The temperature on August 21, 1935 was between 13.6 °C and 26.6 °C and averaged 19.9 °C. There was 12.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
May 24 » The first night game in Major League Baseball history is played in Cincinnati, Ohio, with the Cincinnati Reds beating the Philadelphia Phillies 2–1 at Crosley Field.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
June 25 » Colombia–Soviet Union relations are established.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
December 30 » The Italian Air Force bombs a Swedish Red Cross hospital during the Second Italo-Abyssinian War.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I3250.php : accessed February 19, 2026), "Klaas Dullaart (1911-)".
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