The temperature on July 9, 1875 was about 14.0 °C. There was 5 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 5 » The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris.
May 17 » Aristides wins the first Kentucky Derby with the jockey Oliver Lewis (2:37.75)
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
September 3 » The first official game of polo is played in Argentina after being introduced by British ranchers.
October 16 » Brigham Young University is founded in Provo, Utah.
October 22 » First telegraphic connection in Argentina.
Day of marriage February 18, 1898
The temperature on February 18, 1898 was about 2.3 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
May 8 » The first games of the Italian football league system are played.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
October 18 » The United States takes possession of Puerto Rico from Spain.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of death December 18, 1917
The temperature on December 18, 1917 was between -6.0 °C and 1.0 °C and averaged -2.4 °C. There was 6.8 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I4303.php : accessed January 29, 2026), "Pietertje Groot (1875-1917)".
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