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.
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.
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.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage January 15, 1930
The temperature on January 15, 1930 was between 4.1 °C and 10.9 °C and averaged 8.2 °C. There was 0.2 mm of rain during 0.4 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
April 2 » After the mysterious death of Empress Zewditu, Haile Selassie is proclaimed emperor of Ethiopia.
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
June 16 » Sovnarkom establishes decree time in the USSR.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
Day of death June 14, 1963
The temperature on June 14, 1963 was between 10.2 °C and 15.0 °C and averaged 13.4 °C. There was 17.3 mm of rain during 14.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 21 » The first election of the Universal House of Justice is held, marking its establishment as the supreme governing institution of the Bahá'í Faith.
June 16 » Soviet Space Program: Vostok 6 mission: Cosmonaut Valentina Tereshkova becomes the first woman in space.
July 22 » Crown Colony of Sarawak gains self-governance.
August 18 » Civil rights movement: James Meredith becomes the first African American to graduate from the University of Mississippi.
August 31 » Crown Colony of North Borneo (now Sabah) achieves self governance.
October 4 » Hurricane Flora kills 6,000 in Cuba and Haiti.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I291117.php : accessed January 25, 2026), "Franciscus Johannes Petrus Sloekers (1897-1963)".
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