The temperature on August 14, 1889 was about 17.8 °C. The air pressure was 28 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of death May 14, 1969
The temperature on May 14, 1969 was between 12.0 °C and 22.1 °C and averaged 16.9 °C. There was 5.0 mm of rain during 3.5 hours. There was 5.4 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 17 » Black Panther Party members Bunchy Carter and John Huggins are killed during a meeting in Campbell Hall on the campus of UCLA.
April 15 » The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.
July 24 » Apollo program: Apollo 11 splashes down safely in the Pacific Ocean.
September 26 » Abbey Road, the last recorded album by The Beatles, is released.
October 1 » Concorde breaks the sound barrier for the first time.
December 9 » U.S. Secretary of State William P. Rogers proposes his plan for a ceasefire in the War of Attrition; Egypt and Jordan accept it over the objections of the PLO, which leads to civil war in Jordan in September 1970.
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/I233315.php : accessed January 20, 2026), "Maria Helena Janssens (1889-1969)".
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