The temperature on May 20, 1870 was about 24.3 °C. The air pressure was 9 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 34%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
March 1 » Marshal F. S. López dies during the Battle of Cerro Corá thus marking the end of the Paraguayan War.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
Day of death April 22, 1966
The temperature on April 22, 1966 was between -1.1 °C and 13.6 °C and averaged 7.9 °C. There was 1.3 mm of rain during 1.7 hours. There was 3.1 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 13 » Robert C. Weaver becomes the first African American Cabinet member when he is appointed United States Secretary of Housing and Urban Development.
May 21 » The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland.
June 13 » The United States Supreme Court rules in Miranda v. Arizona that the police must inform suspects of their rights before questioning them.
July 15 » Vietnam War: The United States and South Vietnam begin Operation Hastings to push the North Vietnamese out of the Vietnamese Demilitarized Zone.
October 4 » Basutoland becomes independent from the United Kingdom and is renamed Lesotho.
December 5 » The musical I Do! I Do!, starring Mary Martin and Robert Preston opens at the 46th Street Theatre, in New York City, and closes on June 15, 1968, after 560 performances.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I588185.php : accessed February 16, 2026), "Petrus Gielielmus Haesendonck (1870-1966)".
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