The temperature on April 25, 1887 was about 11.2 °C. The air pressure was 18 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. 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.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death August 21, 1937
The temperature on August 21, 1937 was between 11.4 °C and 18.8 °C and averaged 14.4 °C. There was 10.7 mm of rain during 5.1 hours. There was 3.6 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
May 12 » The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
September 21 » J. R. R. Tolkien's The Hobbit is published.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
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/I16285.php : accessed January 17, 2026), "Christian Lourens Dreyer (1859-1937)".
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