April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage May 6, 1915
The temperature on May 6, 1915 was between 9.9 °C and 21.5 °C and averaged 15.4 °C. There was 5.4 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
June 5 » Denmark amends its constitution to allow women's suffrage.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
Day of death April 15, 1936
The temperature on April 15, 1936 was between -1.7 °C and 11.8 °C and averaged 5.9 °C. There was 6.6 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 20 » King George V of the United Kingdom dies. His eldest son succeeds to the throne, becoming Edward VIII. The title Prince of Wales is not used for another 22 years.
March 8 » Daytona Beach and Road Course holds its first oval stock car race.
April 5 » Tupelo–Gainesville tornado outbreak: An F5 tornado kills 233 in Tupelo, Mississippi.
April 6 » Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
September 7 » The last thylacine, a carnivorous marsupial named Benjamin, dies alone in its cage at the Hobart Zoo in Tasmania.
October 9 » Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
When copying data from this family tree, please include a reference to the origin: H.F. Brons, "Family tree Brons", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-brons/I9685.php : accessed February 9, 2026), "Sipkje Westerhof (1897-1936)".
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