January 30 » The first Anglo-Japanese Alliance is signed in London.
March 6 » Real Madrid CF is founded.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage June 24, 1926
The temperature on June 24, 1926 was between 3.0 °C and 16.9 °C and averaged 11.2 °C. There was 11.3 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
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 28 » The 28 May 1926 coup d'état: Ditadura Nacional is established in Portugal to suppress the unrest of the First Republic.
June 14 » Brazil leaves the League of Nations.
June 23 » The College Board administers the first SAT exam.
Day of death January 30, 1971
The temperature on January 30, 1971 was between 0.6 °C and 5.7 °C and averaged 3.7 °C. There was 4.1 mm of rain during 4.7 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
March 12 » The 1971 Turkish military memorandum is sent to the Süleyman Demirel government of Turkey and the government resigns.
May 13 » Over 900 unarmed Bengali Hindus are murdered in the Demra massacre.
October 12 » The 2,500 year celebration of the Persian Empire begins.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
November 6 » The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I81474.php : accessed October 25, 2026), "Jan van der Vlugt (1902-1971)".
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