April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage April 22, 1915
The temperature on April 22, 1915 was between -0.5 °C and 11.4 °C and averaged 5.1 °C. There was 9.6 hours of sunshine (67%). 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
July 7 » The First Battle of the Isonzo comes to an end.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death April 6, 1918
The temperature on April 6, 1918 was between 4.4 °C and 14.1 °C and averaged 8.9 °C. There was 2.6 mm of rain. There was 5.2 hours of sunshine (39%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
July 12 » The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
September 28 » World War I: The Fifth Battle of Ypres begins.
October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
October 4 » World War I: An explosion kills more than 100 people and destroys a Shell Loading Plant in New Jersey.
October 9 » The Finnish Parliament offers to Prince Frederick Charles of Hesse the throne of a short-lived Kingdom of Finland.
When copying data from this family tree, please include a reference to the origin: Erik Wiersma, "Family tree Wiersma / Bergkamp / Dekkers / Smit", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wiersma/I5772.php : accessed June 25, 2024), "Anna Henrietta Struijk (1897-1918)".
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