The temperature on July 18, 1887 was about 18.1 °C. The air pressure was 10 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
October 1 » Balochistan is conquered by the British Empire.
Day of marriage January 12, 1910
The temperature on January 12, 1910 was between -0.3 °C and 5.1 °C and averaged 2.3 °C. There was 2.9 mm of rain. There was 4.1 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 4 » The Royal Canadian Navy is created.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
Day of death November 11, 1957
The temperature on November 11, 1957 was between 7.2 °C and 11.7 °C and averaged 10.0 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 5 » In a speech given to the United States Congress, United States President Dwight D. Eisenhower announces the establishment of what will later be called the Eisenhower Doctrine.
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
March 13 » Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.
May 15 » At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple.
June 9 » First ascent of Broad Peak by Fritz Wintersteller, Marcus Schmuck, Kurt Diemberger, and Hermann Buhl.
September 19 » Plumbbob Rainier becomes the first nuclear explosion to be entirely contained underground, producing no fallout.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I9693.php : accessed February 4, 2026), "Henricus Petrus Bertens (1887-1957)".
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