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.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
May 14 » Boshin War: The Battle of Utsunomiya Castle ends as former Tokugawa shogunate forces withdraw northward.
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
August 13 » The 8.5–9.0 Mw Arica earthquake struck southern Peru with a maximum Mercalli intensity of XI (Extreme), causing 25,000+ deaths and a destructive basin wide tsunami that affected Hawaii and New Zealand.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
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.
May 11 » Four thousand Pullman Palace Car Company workers go on a wildcat strike.
June 28 » Labor Day becomes an official US holiday.
July 22 » The first ever motor race is held in France between the cities of Paris and Rouen. The fastest finisher was the Comte Jules-Albert de Dion, but the 'official' victory was awarded to Albert Lemaître driving his 3hp petrol engined Peugeot.
August 22 » Mahatma Gandhi forms the Natal Indian Congress (NIC) in order to fight discrimination against Indian traders in Natal.
August 25 » Kitasato Shibasaburō discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
September 15 » First Sino-Japanese War: Japan defeats Qing dynasty China in the Battle of Pyongyang.
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.
March 1 » The Hoover Dam is completed.
April 3 » Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh.
July 26 » King Edward VIII, in one of his few official duties before he abdicates the throne, officially unveils the Canadian National Vimy Memorial.
October 9 » Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
November 12 » In California, the San Francisco–Oakland Bay Bridge opens to traffic.
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 February 17, 2026), "Hendrikus Valkenburg (1868-1936)".
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