The temperature on June 24, 1911 was between 11.8 °C and 19.0 °C and averaged 15.1 °C. There was 9.0 mm of rain. There was 5.6 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Day of marriage February 23, 1937
The temperature on February 23, 1937 was between 0.8 °C and 5.6 °C and averaged 3.1 °C. There was 1.7 mm of rain during 0.7 hours. There was 2.5 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
May 28 » Volkswagen, the German automobile manufacturer is founded.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
September 25 » Second Sino-Japanese War: The Chinese Eighth Route Army gains a minor, but morale-boosting victory in the Battle of Pingxingguan.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 11 » Second Italo-Ethiopian War: Italy leaves the League of Nations.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
When copying data from this family tree, please include a reference to the origin: Gert Esterhuizen, "Family tree Eric Esterhuizen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-esterhuizen/I16016.php : accessed February 24, 2026), "Theunis Snyman PRETORIUS (1911-)".
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