The temperature on December 2, 1926 was between -2.8 °C and -0.8 °C and averaged -1.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
June 14 » Brazil leaves the League of Nations.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
When copying data from this family tree, please include a reference to the origin: Irene Jolanda van der Meulen, "Family tree Ype Ypes (waaronder van der Meulen)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ype-ypes/I1072.php : accessed January 25, 2026), "Barend Leonard Sitinga (1926)".
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