The temperature on July 11, 1887 was about 18.7 °C. The air pressure was 21 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 84%. 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.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
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 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage January 8, 1943
The temperature on January 8, 1943 was between -7.6 °C and -2.4 °C and averaged -5.0 °C. There was 6.1 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 23 » A fire breaks out at Saint Joseph's Orphanage, County Cavan, Ireland, killing 35 children and one adult.
April 18 » World War II: Operation Vengeance, Admiral Isoroku Yamamoto is killed when his aircraft is shot down by U.S. fighters over Bougainville Island.
July 12 » German and Soviet forces engage in one of the largest armored engagements of all time.
July 23 » The Rayleigh bath chair murder occurred in Rayleigh, Essex, England.
August 17 » World War II: The U.S. Eighth Air Force suffers the loss of 60 bombers on the Schweinfurt–Regensburg mission.
September 12 » World War II: Benito Mussolini is rescued from house arrest by German commando forces led by Otto Skorzeny.
Day of death March 6, 1961
The temperature on March 6, 1961 was between -1.7 °C and 17.2 °C and averaged 6.6 °C. There was 0.1 mm of rain. There was 9.3 hours of sunshine (83%). The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
February 12 » The Soviet Union launches Venera 1 towards Venus.
June 19 » Kuwait declares independence from the United Kingdom.
September 12 » The African and Malagasy Union is founded.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: Bart Grootendorst, "Family tree Grootendorst", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grootendorst/I18.php : accessed March 6, 2026), "Adrianus Johannes Grootendorst (1887-1961)".
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