January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
April 25 » Spanish–American War: The United States declares war on Spain.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage May 4, 1927
The temperature on May 4, 1927 was between 8.7 °C and 24.4 °C and averaged 17.2 °C. There was 10.7 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
March 29 » Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
May 9 » Old Parliament House, Canberra officially opens.
June 26 » The Cyclone roller coaster opens on Coney Island.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
Day of death February 18, 1952
The temperature on February 18, 1952 was between -1.9 °C and 3.8 °C and averaged 0.8 °C. There was 0.3 mm of rain during 0.1 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
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/I286211.php : accessed March 12, 2026), "Petrus Cornelis Schaerlaeckens (1898-1952)".
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