April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 10 » Wyoming is admitted as the 44th U.S. state.
July 27 » Vincent van Gogh shoots himself and dies two days later.
August 7 » Anna Månsdotter became the last woman to be executed in Sweden for the 1889 Yngsjö murder.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage October 17, 1914
The temperature on October 17, 1914 was between 6.6 °C and 12.6 °C and averaged 9.8 °C. There was 0.6 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 7 » Prince William of Wied arrives in Albania to begin his reign as King.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
August 5 » World War I: The German minelayer SSKönigin Luise lays a minefield about 40 miles (64km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMSAmphion.
August 9 » Start of the Battle of Mulhouse, part of a French attempt to recover the province of Alsace and the first French offensive of World War I.
November 7 » The first issue of The New Republic is published.
Day of death September 22, 1978
The temperature on September 22, 1978 was between 12.0 °C and 18.2 °C and averaged 15.6 °C. There was 0.1 mm of rain during 1.0 hours. There was 0.4 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 19 » Egyptian forces raid Larnaca International Airport in an attempt to intervene in a hijacking, without authorisation from the Republic of Cyprus authorities. The Cypriot National Guard and Police forces kill 15 Egyptian commandos and destroy the Egyptian C-130 transport plane in open combat.
March 5 » The Landsat 3 is launched from Vandenberg Air Force Base in California.
April 28 » President of Afghanistan, Mohammed Daoud Khan, is overthrown and assassinated in a coup led by pro-communist rebels.
June 25 » The rainbow flag representing gay pride is flown for the first time during the San Francisco Gay Freedom Day Parade.
October 8 » Australia's Ken Warby sets the current world water speed record of 317.60mph at Blowering Dam, Australia.
December 22 » The pivotal Third Plenum of the 11th National Congress of the Communist Party of China is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform.
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/I62255.php : accessed October 7, 2026), "Sjoerd Helmhout (1890-1978)".
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