The temperature on June 21, 1886 was about 12.3 °C. The air pressure was 8 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. 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.
January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
March 27 » Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
Day of death September 9, 1969
The temperature on September 9, 1969 was between 11.5 °C and 23.9 °C and averaged 17.3 °C. There was 8.7 hours of sunshine (66%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 20 » Richard Nixon is inaugurated the 37th President of the United States of America.
May 9 » Carlos Lamarca leads the first urban guerrilla action against the military dictatorship of Brazil in São Paulo, by robbing two banks.
May 21 » Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I1469.php : accessed February 9, 2026), "Hendrika van de Berk (1886-1969)".
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