The temperature on August 3, 1868 was about 19.1 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 75%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 24 » Andrew Johnson becomes the first President of the United States to be impeached by the United States House of Representatives. He is later acquitted in the Senate.
July 28 » The 14th Amendment to the United States Constitution is certified, establishing African American citizenship and guaranteeing due process of law.
November 3 » John Willis Menard (R-Louisiana) was the first African American elected to the United States Congress. Because of an electoral challenge, he was never seated.
November 27 » American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.
November 30 » A statue of King Charles XII of Sweden is inaugurated in Stockholm's Kungsträdgården.
December 24 » The Greek Presidential Guard is established as the royal escort by King George I.
Day of marriage January 20, 1894
The temperature on January 20, 1894 was about 7.0 °C. There was 3 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 95%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
January 9 » New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts.
March 25 » Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.
April 14 » The first ever commercial motion picture house opened in New York City using ten Kinetoscopes, a device for peep-show viewing of films.
September 1 » Over 400 people die in the Great Hinckley Fire, a forest fire in Hinckley, Minnesota.
September 15 » First Sino-Japanese War: Japan defeats Qing dynasty China in the Battle of Pyongyang.
September 17 » Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.
Day of death March 18, 1936
The temperature on March 18, 1936 was between 3.0 °C and 12.5 °C and averaged 7.2 °C. There was 8.8 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 16 » The Popular Front wins the 1936 Spanish general election.
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
February 29 » February 26 Incident in Tokyo ends.
July 21 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia is constituted, establishing an anarcho-syndicalist economy in Catalonia.
July 22 » Spanish Civil War: The Popular Executive Committee of Valencia takes power in the Valencian Community.
October 27 » Mrs Wallis Simpson obtains her divorce, which would eventually allow her to marry King Edward VIII of the United Kingdom, thus forcing his abdication from the throne.
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I2856.php : accessed March 6, 2026), "Hendrikus Valkenburg (1868-1936)".
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