March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
Day of marriage August 30, 1919
The temperature on August 30, 1919 was between 7.9 °C and 16.1 °C and averaged 12.0 °C. There was 6.2 mm of rain. There was 5.3 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 17 » The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks.
June 23 » Estonian War of Independence: The decisive defeat of the Baltische Landeswehr in the Battle of Cēsis; this date is celebrated as Victory Day in Estonia.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
September 18 » The Netherlands gives women the right to vote.
November 7 » The first Palmer Raid is conducted on the second anniversary of the Russian Revolution. Over 10,000 suspected communists and anarchists are arrested in 23 U.S. cities.
December 1 » Lady Astor becomes the first female Member of Parliament to take her seat in the House of Commons of the United Kingdom. (She had been elected to that position on November 28.)
Day of death December 25, 1956
The temperature on December 25, 1956 was between -4.0 °C and -0.1 °C and averaged -2.0 °C. There was 2.4 hours of sunshine (31%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
March 23 » Pakistan becomes the first Islamic republic in the world. This date is now celebrated as Republic Day in Pakistan.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
June 20 » A Venezuelan Super-Constellation crashes in the Atlantic Ocean off Asbury Park, New Jersey, killing 74 people.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
December 9 » Trans-Canada Air Lines Flight 810, a Canadair North Star, crashes near Hope, British Columbia, Canada, killing all 62 people on board.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I60928.php : accessed February 27, 2026), "Klaas Dekker (1896-1956)".
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.