January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
October 1 » Yosemite National Park is established by the U.S. Congress.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage August 8, 1917
The temperature on August 8, 1917 was between 11.6 °C and 22.0 °C and averaged 17.4 °C. There was 0.9 mm of rain. There was 4.3 hours of sunshine (28%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I156859.php : accessed February 16, 2026), "Johannes Cornelis Heijmans (1890-????)".
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