The temperature on April 5, 1905 was between 3.4 °C and 10.0 °C and averaged 7.6 °C. There was 0.2 hours of sunshine (2%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
June 27 » During the Russo-Japanese War, sailors start a mutiny aboard the Russian battleship Potemkin.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
October 26 » King Oscar II recognizes the dissolution of the union between Norway and Sweden.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
November 28 » Irish nationalist Arthur Griffith founds Sinn Féin as a political party with the main aim of establishing a dual monarchy in Ireland.
Christening day April 8, 1905
The temperature on April 8, 1905 was between -5.1 °C and 6.0 °C and averaged 0.4 °C. There was 11.1 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
June 30 » Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
August 20 » Sun Yat-sen, Chinese revolutionary, forms the first chapter of T'ung Meng Hui, a union of all secret societies determined to bringing down the Manchus.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
October 26 » King Oscar II recognizes the dissolution of the union between Norway and Sweden.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
Day of death February 17, 1976
The temperature on February 17, 1976 was between 1.1 °C and 4.3 °C and averaged 2.5 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 21 » Commercial service of Concorde begins with the London-Bahrain and Paris-Rio routes.
February 27 » The formerly Spanish territory of Western Sahara, under the auspices of the Polisario Front declares independence as the Sahrawi Arab Democratic Republic.
May 7 » The Honda Accord is officially launched.
June 27 » Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.
July 29 » In New York City, David Berkowitz (a.k.a. the "Son of Sam") kills one person and seriously wounds another in the first of a series of attacks.
September 10 » A British Airways Hawker Siddeley Trident and an Inex-Adria DC-9 collide near Zagreb, Yugoslavia, killing 176.
Day of burial February 22, 1976
The temperature on February 22, 1976 was between 4.0 °C and 12.1 °C and averaged 7.1 °C. There was 5.5 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 3 » The International Covenant on Economic, Social and Cultural Rights, adopted by the United Nations General Assembly, comes into force.
April 5 » In China, the April Fifth Movement leads to the Tiananmen Incident.
July 4 » The U.S. celebrates its Bicentennial.
July 22 » Japan completes its last reparation to the Philippines for war crimes committed during imperial Japan's conquest of the country in the Second World War.
October 6 » Premier Hua Guofeng arrests the Gang of Four, ending the Cultural Revolution in China.
November 23 » Apneist Jacques Mayol is the first man to reach a depth of 100m undersea without breathing equipment.
When copying data from this family tree, please include a reference to the origin: A. Dumont, "Family tree Dumont", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dumont/I455.php : accessed March 2, 2026), "Anna Sibilla Spelthaen (1905-1976)".
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