The temperature on February 20, 1887 was about 1.4 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
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.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
Day of death May 25, 1967
The temperature on May 25, 1967 was between 7.8 °C and 15.1 °C and averaged 10.8 °C. There was 4.2 mm of rain during 7.1 hours. There was 3.3 hours of sunshine (20%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 4 » Martin Luther King Jr. delivers his "Beyond Vietnam: A Time to Break Silence" speech in New York City's Riverside Church.
April 23 » Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a manned spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.
May 20 » The Popular Movement of the Revolution political party is established in the Democratic Republic of the Congo.
June 17 » Nuclear weapons testing: China announces a successful test of its first thermonuclear weapon.
October 29 » Montreal's World Fair, Expo 67, closes with over 50 million visitors.
November 28 » The first pulsar (PSR B1919+21, in the constellation of Vulpecula) is discovered by two astronomers Jocelyn Bell Burnell and Antony Hewish.
When copying data from this family tree, please include a reference to the origin: Keith Vickers, "Eijssens-Vickers Tree", database, Genealogy Online (https://www.genealogieonline.nl/eijssens-vickers-tree/I797.php : accessed February 7, 2026), "Clazina Theodora Maria van der Bol (1887-1967)".
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