May 8 » The Irish Literary Theatre in Dublin produced its first play.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death April 11, 1983
The temperature on April 11, 1983 was between 6.1 °C and 12.1 °C and averaged 9.0 °C. There was 1.4 mm of rain during 2.4 hours. There was 1.1 hours of sunshine (8%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 19 » Nazi war criminal Klaus Barbie is arrested in Bolivia.
May 17 » Lebanon, Israel, and the United States sign an agreement on Israeli withdrawal from Lebanon.
May 17 » The U.S. Department of Energy declassifies documents showing world's largest mercury pollution event in Oak Ridge, Tennessee (ultimately found to be 4.2million pounds [1.9kt]), in response to the Appalachian Observer's Freedom of Information Act request.
June 18 » Mona Mahmudnizhad, together with nine other Bahá'í women, is sentenced to death and hanged in Shiraz, Iran over her religious beliefs.
November 15 » Turkish Republic of Northern Cyprus declares independence. Recognized only by Turkey.
November 17 » The Zapatista Army of National Liberation is founded in Mexico.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53756.php : accessed March 1, 2026), "Wilhelmus Johannes "Willem" van Helvoort (1899-1983)".
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