The temperature on December 22, 1875 was about 11.5 °C. There was 0.6 mm of rain. The air pressure was 26 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of death April 13, 1956
The temperature on April 13, 1956 was between 5.3 °C and 12.4 °C and averaged 8.0 °C. There was 9.6 mm of rain during 12.4 hours. There was 1.1 hours of sunshine (8%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 1 » Sudan achieves independence from Egypt and the United Kingdom.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
May 1 » A doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
November 5 » Suez Crisis: British and French paratroopers land in Egypt after a week-long bombing campaign.
November 12 » In the midst of the Suez Crisis, Palestinian refugees are shot dead in Rafah by Israeli soldiers following the invasion of the Gaza Strip.
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/I436477.php : accessed February 25, 2026), "Petrus van Helmond (1875-1956)".
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