The temperature on January 5, 1877 was about 8.4 °C. The air pressure was 10 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 86%. 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.
January 8 » Crazy Horse and his warriors fight their last battle against the United States Cavalry at Wolf Mountain, Montana Territory.
January 20 » The last day of the Constantinople Conference results in agreement for political reforms in the Balkans.
May 8 » At Gilmore's Gardens in New York City, the first Westminster Kennel Club Dog Show opens.
July 10 » The then-villa of Mayagüez, Puerto Rico, formally receives its city charter from the Royal Crown of Spain.
July 14 » The Great Railroad Strike of 1877 began in Martinsburg, West Virginia, when wages of Baltimore and Ohio Railroad workers were cut for the third time in a year. The strike was ended on Sept 4 by local and state militias, and federal troops.
September 24 » The Battle of Shiroyama is a decisive victory of the Imperial Japanese Army over the Satsuma Rebellion.
Day of marriage December 20, 1899
The temperature on December 20, 1899 was about -2.0 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. Source: KNMI
February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death May 21, 1955
The temperature on May 21, 1955 was between 1.0 °C and 10.9 °C and averaged 5.9 °C. There was 0.7 mm of rain during 0.6 hours. There was 10.0 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Yvonne Groos, "Family tree Groos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groos/I484.php : accessed February 5, 2026), "Johannes den Heijer (1877-1955)".
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