The temperature on May 10, 1877 was about 14.6 °C. There was 0.4 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 62%. 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).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 20 » Tchaikovsky's ballet Swan Lake receives its premiere at the Bolshoi Theatre in Moscow.
May 5 » American Indian Wars: Sitting Bull leads his band of Lakota into Canada to avoid harassment by the United States Army under Colonel Nelson Miles.
May 9 » Mihail Kogălniceanu reads, in the Chamber of Deputies, the Declaration of Independence of Romania. This day became the Independence Day of Romania.
July 21 » After rioting by Baltimore and Ohio Railroad workers and the deaths of nine rail workers at the hands of the Maryland militia, workers in Pittsburgh, Pennsylvania, stage a sympathy strike that is met with an assault by the state militia.
August 9 » Indian Wars: Battle of the Big Hole: A small band of Nez Percé Indians clash with the United States Army.
October 22 » The Blantyre mining disaster in Scotland kills 207 miners.
Day of marriage May 14, 1903
The temperature on May 14, 1903 was between 8.0 °C and 15.8 °C and averaged 11.6 °C. There was 1.1 hours of sunshine (7%). Source: KNMI
February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death December 29, 1952
The temperature on December 29, 1952 was between -1.1 °C and 2.5 °C and averaged 1.1 °C. There was 0.1 mm of rain. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 7 » The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer.
June 17 » Guatemala passes Decree 900, ordering the redistribution of uncultivated land.
July 7 » The ocean liner SSUnited States passes Bishop Rock on her maiden voyage, breaking the transatlantic speed record to become the fastest passenger ship in the world.
August 11 » Hussein bin Talal is proclaimed King of Jordan.
September 1 » The Old Man and the Sea, the Pulitzer Prize-winning novel by Ernest Hemingway, is first published.
November 25 » Korean War: After 42 days of fighting, the Battle of Triangle Hill ends with Chinese victory, American and South Korean units abandon their attempt to capture the "Iron Triangle".
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I125850.php : accessed February 15, 2026), "Pier de Groot (1877-1952)".
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