January 30 » The first Anglo-Japanese Alliance is signed in London.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of death July 31, 1918
The temperature on July 31, 1918 was between 8.0 °C and 20.7 °C and averaged 15.1 °C. There was 7.7 hours of sunshine (49%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 3 » The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,633 meters) long.
February 6 » British women over the age of 30 who meet minimum property qualifications, get the right to vote when Representation of the People Act 1918 is passed by Parliament.
July 9 » In Nashville, Tennessee, an inbound local train collides with an outbound express, killing 101 and injuring 171 people, making it the deadliest rail accident in United States history.
August 8 » World War I: The Battle of Amiens begins a string of almost continuous Allied victories with a push through the German front lines (Hundred Days Offensive).
August 21 » World War I: The Second Battle of the Somme begins.
December 4 » U.S. President Woodrow Wilson sails for the World War I peace talks in Versailles, becoming the first US president to travel to Europe while in office.
When copying data from this family tree, please include a reference to the origin: Jolene Witkam, "Family tree Witkam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witkam/R92.php : accessed January 9, 2026), "Halbe Hendrik Minderman (1902-1918)".
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