February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 6 » Real Madrid CF is founded.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death July 21, 1957
The temperature on July 21, 1957 was between 9.5 °C and 19.9 °C and averaged 15.2 °C. There was 5.9 hours of sunshine (37%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 3 » The Hamilton Watch Company introduces the first electric watch.
January 23 » American inventor Walter Frederick Morrison sells the rights to his flying disc to the Wham-O toy company, which later renames it the "Frisbee".
March 29 » The New York, Ontario and Western Railway makes its final run, the first major U.S. railroad to be abandoned in its entirety.
September 29 » The Kyshtym disaster is the third-worst nuclear accident ever recorded.
October 29 » Israel's prime minister David Ben-Gurion and five of his ministers are injured when Moshe Dwek throws a grenade into Israel's Knesset.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
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/I6890.php : accessed February 18, 2026), "Debora Susanna Krynauw (1865-1957)".
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.