January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
February 9 » The Davis Cup competition is established.
July 9 » The Federation of Australia is given royal assent.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
Day of death May 11, 1984
The temperature on May 11, 1984 was between 5.0 °C and 10.7 °C and averaged 7.7 °C. There was -0.1 mm of rain. There was 6.3 hours of sunshine (41%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
February 3 » John Buster and the research team at Harbor-UCLA Medical Center announce history's first embryo transfer, from one woman to another resulting in a live birth.
March 6 » In the United Kingdom, a walkout at Cortonwood Colliery in Brampton Bierlow signals the start of a strike that lasted almost a year and involved the majority of the country's miners.
March 29 » The Baltimore Colts load its possessions onto fifteen Mayflower moving trucks in the early morning hours and transfer its operations to Indianapolis.
June 22 » Virgin Atlantic launches with its first flight from London to Newark.
September 14 » Joe Kittinger becomes the first person to fly a gas balloon alone across the Atlantic Ocean.
October 19 » A Roman Catholic priest, Jerzy Popiełuszko, associated with the Solidarity Union, is killed by three agents of the Polish Communist internal intelligence agency.
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/I168951.php : accessed October 19, 2026), "Jan de Groot (1900-1984)".
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