The temperature on January 20, 1911 was between -0.1 °C and 3.5 °C and averaged 2.1 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 26 » Glenn Curtiss flies the first successful American seaplane.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage March 1, 1934
The temperature on March 1, 1934 was between -4.4 °C and 6.8 °C and averaged 0.6 °C. There was 0.1 mm of rain. There was 7.5 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
May 23 » Infamous American bank robbers Bonnie and Clyde are ambushed by police and killed in Bienville Parish, Louisiana.
July 5 » "Bloody Thursday": Police open fire on striking longshoremen in San Francisco.
August 19 » The first All-American Soap Box Derby is held in Dayton, Ohio.
October 16 » Chinese Communists begin the Long March to escape Nationalist encirclement.
November 23 » An Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory. This leads to the Abyssinia Crisis.
When copying data from this family tree, please include a reference to the origin: Henry van Niel, "Family tree Seijffer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-seijffer/R7.php : accessed March 13, 2026), "Henry Friedrich Eduard Seijffer (1911-2009)".
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