The temperature on June 13, 1886 was about 15.0 °C. There was 3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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.
January 29 » Karl Benz patents the first successful gasoline-driven automobile.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of marriage July 25, 1905
The temperature on July 25, 1905 was between 10.3 °C and 22.1 °C and averaged 17.1 °C. There was 3.4 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
March 23 » Eleftherios Venizelos calls for Crete's union with Greece, and begins what is to be known as the Theriso revolt.
May 28 » Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy.
October 16 » The Partition of Bengal in India takes place.
December 9 » In France, the law separating church and state is passed.
December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
Day of death July 31, 1960
The temperature on July 31, 1960 was between 14.8 °C and 19.0 °C and averaged 16.4 °C. There was 2.0 mm of rain during 4.8 hours. There was 0.2 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 1 » Four black students stage the first of the Greensboro sit-ins at a lunch counter in Greensboro, North Carolina.
March 5 » Indonesian President Sukarno dismissed the Dewan Perwakilan Rakyat (DPR), 1955 democratically elected parliament, and replaced with DPR-GR, the parliament of his own selected members.
April 1 » The TIROS-1 satellite transmits the first television picture from space.
June 23 » The United States Food and Drug Administration declares Enovid to be the first officially approved combined oral contraceptive pill in the world.
September 22 » The Sudanese Republic is renamed Mali after the withdrawal of Senegal from the Mali Federation.
November 8 » John F. Kennedy is elected as the 35th President of the United States.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17812.php : accessed December 22, 2025), "Aletta Catharina Sophia Opperman (1886-1960)".
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