The average temperature on January 10, 1911 was 2.6 °C. There was 5.0 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
Day of marriage July 25, 1936
The temperature on July 25, 1936 was between 11.5 °C and 20.7 °C and averaged 15.8 °C. There was 0.4 mm of rain during 0.6 hours. There was 7.5 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 7 » Prelude to World War II: In violation of the Locarno Pact and the Treaty of Versailles, Germany reoccupies the Rhineland.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
August 3 » A fire wipes out Kursha-2 in the Meshchera Lowlands, Ryazan Oblast, Russia, killing 1,200 and leaving only 20 survivors.
August 14 » Rainey Bethea is hanged in Owensboro, Kentucky in the last known public execution in the United States.
September 9 » The crews of Portuguese Navy frigate NRPAfonso de Albuquerque and destroyer Dão mutinied against the Salazar dictatorship's support of General Franco's coup and declared their solidarity with the Spanish Republic.
November 25 » In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I9902.php : accessed January 24, 2026), "Jantje de Lange (1911-)".
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