April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
July 3 » A Spanish squadron, led by Pascual Cervera y Topete, is defeated by an American squadron under William T. Sampson in the Battle of Santiago de Cuba.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
Day of death May 21, 1966
The temperature on May 21, 1966 was between 5.4 °C and 16.5 °C and averaged 12.4 °C. There was 3.1 hours of sunshine (19%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 12 » Lyndon B. Johnson states that the United States should stay in South Vietnam until Communist aggression there is ended.
March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
March 16 » Launch of Gemini 8, the 12th manned American space flight and first space docking with an Agena Target Vehicle.
September 8 » The landmark American science fiction television series Star Trek premieres with its first-aired episode, "The Man Trap".
November 4 » The Arno River floods Florence, Italy, to a maximum depth of 6.7m (22ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Also Venice was submerged on the same day at its record all-time acqua alta of 194cm (76in).
December 27 » The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I111665.php : accessed January 23, 2026), "Johanna Elisabeth Plass (1898-1966)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.