The temperature on February 5, 1882 was about 2.2 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 91%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
July 10 » War of the Pacific: Chile suffers its last military defeat in the Battle of La Concepción when a garrison of 77 men is annihilated by a 1,300-strong Peruvian force, many of them armed with spears.
July 11 » The British Mediterranean Fleet begins the Bombardment of Alexandria in Egypt as part of the Anglo-Egyptian War.
July 26 » The Republic of Stellaland is founded in Southern Africa.
August 20 » Tchaikovsky's 1812 Overture debuts in Moscow, Russia.
October 16 » The Nickel Plate Railroad opens for business.
December 6 » Transit of Venus, second and last of the 19th century.
Day of marriage October 4, 1911
The temperature on October 4, 1911 was between 6.0 °C and 14.8 °C and averaged 9.9 °C. There was 0.7 mm of rain. There was 4.9 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 21 » The first Monte Carlo Rally takes place.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
Day of death April 20, 1954
The temperature on April 20, 1954 was between 1.2 °C and 10.6 °C and averaged 6.7 °C. There was 5.7 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
April 1 » United States President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
April 18 » Gamal Abdel Nasser seizes power in Egypt.
July 21 » First Indochina War: The Geneva Conference partitions Vietnam into North Vietnam and South Vietnam.
September 3 » The German submarineU-505 begins its move from a specially constructed dock to its site at Chicago's Museum of Science and Industry.
October 18 » Texas Instruments announces the first transistor radio.
When copying data from this family tree, please include a reference to the origin: Wim Helsdingen, "Family tree Helsdingen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-helsdingen/I720.php : accessed January 25, 2026), "Pieter Johannes Helsdingen (1882-1954)".
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