In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 6 » The Washington National Cathedral is chartered by Congress. The charter is signed by President Benjamin Harrison.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
May 1 » The World's Columbian Exposition opens in Chicago.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
August 27 » The Sea Islands hurricane strikes the United States near Savannah, Georgia, killing between 1,000–2,000 people.
September 28 » Foundation of the Portuguese football club FC Porto.
Day of death December 10, 1969
The temperature on December 10, 1969 was between -9.5 °C and -3.3 °C and averaged -6.5 °C. There was 6.2 hours of sunshine (79%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
June 23 » Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
July 20 » A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War".
July 25 » Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war.
August 10 » A day after murdering Sharon Tate and four others, members of Charles Manson's cult kill Leno and Rosemary LaBianca.
November 21 » The first permanent ARPANET link is established between UCLA and SRI.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I6819.php : accessed January 17, 2026), "Helene Marie "Helen Mona" (Helene Marie, "Helen Mona") Dreyer (1893-1969)".
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