The temperature on November 17, 1864 was about 1.4 °C. There was 0.2 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 100%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 17 » American Civil War: The H. L. Hunley becomes the first submarine to engage and sink a warship, the USSHousatonic.
April 17 » American Civil War: The Battle of Plymouth begins: Confederate forces attack Plymouth, North Carolina.
June 30 » U.S. President Abraham Lincoln grants Yosemite Valley to California for "public use, resort and recreation".
September 19 » American Civil War: Union troops under Philip Sheridan defeat a Confederate force commanded by Jubal Early. With over 50,000 troops engaged, it was the largest battle fought in the Shenandoah Valley.
October 30 » The Treaty of Vienna is signed, by which Denmark relinquishes one province each to Prussia and Austria.
December 8 » Pope Pius IX promulgates the encyclical Quanta cura and its appendix, the Syllabus of Errors, outlining the authority of the Catholic Church and condemning various liberal ideas.
Day of marriage December 20, 1900
The temperature on December 20, 1900 was about 3.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 9 » The Cook Islands become a territory of the United Kingdom.
Day of death April 17, 1926
The temperature on April 17, 1926 was between 4.8 °C and 12.4 °C and averaged 7.6 °C. There was 2.9 mm of rain. There was 4.9 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
September 8 » Germany is admitted to the League of Nations.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
When copying data from this family tree, please include a reference to the origin: Rik Köhler, "Family tree Köhler", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kohler/I232.php : accessed March 4, 2026), "Valentine Anna Louise Ahn (1864-1926)".
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