The temperature on September 13, 1905 was between 4.3 °C and 18.9 °C and averaged 11.5 °C. There was 9.5 hours of sunshine (74%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
May 27 » Russo-Japanese War: The Battle of Tsushima begins.
June 7 » Norway's parliament dissolves its union with Sweden. The vote was confirmed by a national plebiscite on August 13 of that year.
September 23 » Norway and Sweden sign the "Karlstad treaty", peacefully dissolving the Union between the two countries.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
Day of marriage September 15, 1926
The temperature on September 15, 1926 was between 10.3 °C and 18.9 °C and averaged 15.6 °C. There was 1.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
June 14 » Brazil leaves the League of Nations.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
Day of death April 21, 1981
The temperature on April 21, 1981 was between 0.4 °C and 8.2 °C and averaged 5.2 °C. There was -0.1 mm of rain. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 20 » Ronald Reagan is inaugurated the 40th President of the United States of America. Twenty minutes later, Iran releases 52 American hostages.
February 23 » In Spain, Antonio Tejero attempts a coup d'état by capturing the Spanish Congress of Deputies.
March 1 » Provisional Irish Republican Army member Bobby Sands begins his hunger strike in HM Prison Maze.
August 7 » The Washington Star ceases all operations after 128 years of publication.
August 25 » Voyager 2 spacecraft makes its closest approach to Saturn.
November 1 » Antigua and Barbuda gains independence from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: C.M.J. Peterse, "Family tree Peterse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-peterse/I2033.php : accessed January 29, 2026), "Pieter Koppe (1905-1981)".
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