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.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage May 15, 1916
The temperature on May 15, 1916 was between 9.2 °C and 15.2 °C and averaged 11.1 °C. There was 4.9 mm of rain. There was 1.4 hours of sunshine (9%). 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.
May 6 » Vietnamese Emperor Duy Tân is captured while calling upon the people to rise up against the French, and is later deposed and exiled to Réunion island.
June 24 » Mary Pickford becomes the first female film star to sign a million-dollar contract.
August 17 » World War I: Romania signs a secret treaty with the Entente Powers. According to the treaty, Romania agreed to join the war on the Allied side.
August 27 » World War I: The Kingdom of Romania declares war on Austria-Hungary, entering the war as one of the Allied nations.
August 28 » World War I: Germany declares war on Romania.
November 21 » Mines from SM U-73 sink the HMHS Britannic, the largest ship lost in the First World War.
Day of death July 5, 1976
The temperature on July 5, 1976 was between 15.4 °C and 31.2 °C and averaged 24.2 °C. There was 14.7 hours of sunshine (89%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 9 » Aeroflot Flight 3739, a Tupolev Tu-104, crashes during takeoff from Irkutsk Airport, killing 24.
March 9 » Forty-two people die in the Cavalese cable car disaster, the worst cable-car accident to date.
April 13 » The United States Treasury Department reintroduces the two-dollar bill as a Federal Reserve Note on Thomas Jefferson's 233rd birthday as part of the United States Bicentennial celebration.
July 20 » The American Viking 1 lander successfully lands on Mars.
August 7 » Viking program: Viking 2 enters orbit around Mars.
September 3 » Viking program: The American Viking 2 spacecraft lands at Utopia Planitia on Mars.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I4088.php : accessed January 23, 2026), "Elsie Petronella Pretorius (1897-1976)".
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