April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
December 3 » The Duquesne Country and Athletic Club defeated an all-star collection of early football players 16–0, in what is considered to be the very first all-star game for professional American football.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage May 12, 1923
The temperature on May 12, 1923 was between 2.7 °C and 11.8 °C and averaged 6.2 °C. There was 8.1 mm of rain. There was 5.9 hours of sunshine (38%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
April 15 » Insulin becomes generally available for use by people with diabetes.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
July 1 » The Parliament of Canada suspends all Chinese immigration.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I109336.php : accessed January 9, 2026), "Alle van der Sluis (1898-????)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.