April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 14, 1926
The temperature on May 14, 1926 was between 3.4 °C and 12.4 °C and averaged 8.4 °C. There was 0.3 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
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 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
November 15 » The NBC radio network opens with 24 stations.
Day of death September 22, 1993
The temperature on September 22, 1993 was between 9.9 °C and 16.7 °C and averaged 14.3 °C. There was 1.9 mm of rain during 4.8 hours. There was 0.2 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 12 » North Korea announces that it will withdraw from the Treaty on the Non-Proliferation of Nuclear Weapons and refuses to allow inspectors access to its nuclear sites.
April 24 » An IRA bomb devastates the Bishopsgate area of London.
August 21 » NASA loses contact with the Mars Observer spacecraft.
October 7 » The flood of '93 ends at St. Louis, Missouri, 103 days after it began, as the Mississippi River falls below flood stage.
November 11 » A sculpture honoring women who served in the Vietnam War is dedicated at the Vietnam Veterans Memorial in Washington, D.C.
December 10 » The last shift leaves Wearmouth Colliery in Sunderland. The closure of the 156-year-old pit marks the end of the old County Durham coalfield, which had been in operation since the Middle Ages.
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/I101949.php : accessed December 29, 2025), "Willem de Boer (1897-1993)".
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