The temperature on September 21, 1911 was between 6.0 °C and 15.7 °C and averaged 12.3 °C. There was 1.6 mm of rain. There was 3.1 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
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.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 23 » The New York Public Library is dedicated.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
Day of marriage May 21, 1942
The temperature on May 21, 1942 was between 8.0 °C and 15.2 °C and averaged 12.5 °C. There was 1.4 mm of rain during 3.3 hours. There was 1.5 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 1 » World War II: U.S. Navy conducts Marshalls-Gilberts raids, the first offensive action by the United States against Japanese forces in the Pacific Theater.
May 8 » World War II: Gunners of the Ceylon Garrison Artillery on Horsburgh Island in the Cocos Islands rebel in the Cocos Islands Mutiny. Their mutiny is crushed and three of them are executed, the only British Commonwealth soldiers to be executed for mutiny during the Second World War.
June 7 » World War II: Aleutian Islands Campaign: Imperial Japanese soldiers begin occupying the American islands of Attu and Kiska, in the Aleutian Islands off Alaska.
July 4 » World War II: The 250-day Siege of Sevastopol in the Crimea ends when the city falls to Axis forces.
September 15 » World War II: U.S. Navy aircraft carrier USSWasp is sunk by Japanese torpedoes at Guadalcanal.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I246843.php : accessed January 14, 2026), "Geertruida Catharina Leenaars (1911-)".
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