January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage August 12, 1921
The temperature on August 12, 1921 was between 8.6 °C and 21.4 °C and averaged 15.1 °C. There was 4.6 hours of sunshine (31%). 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 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
Day of death January 25, 1970
The temperature on January 25, 1970 was between 3.0 °C and 8.0 °C and averaged 5.9 °C. There was 9.1 mm of rain during 7.6 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
March 31 » Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
September 4 » Salvador Allende is elected President of Chile.
September 16 » King Hussein of Jordan declares war against the Palestine Liberation Organization, the conflict which became to be known as Black September.
Day of burial January 29, 1970
The temperature on January 29, 1970 was between -0.4 °C and 4.0 °C and averaged 1.1 °C. There was 4.0 hours of sunshine (45%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 2 » Rhodesia declares itself a republic, breaking its last links with the British crown.
April 8 » Bahr El-Baqar primary school bombing: Israeli bombers strike an Egyptian school. Forty-six children are killed.
April 12 » Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board.
June 15 » Charles Manson goes on trial for the Sharon Tate murders.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
October 8 » Aleksandr Solzhenitsyn wins the Nobel Prize in literature.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I23008.php : accessed January 9, 2026), "Wolter de Ruiter (1896-1970)".
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