The temperature on April 4, 1887 was about 13.6 °C. The air pressure was 30 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 56%. 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 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 13 » Bloody Sunday clashes in central London.
Day of marriage May 15, 1909
The temperature on May 15, 1909 was between -0.4 °C and 10.9 °C and averaged 6.0 °C. There was 0.2 mm of rain. There was 2.7 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
June 26 » The Science Museum in London comes into existence as an independent entity.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
Day of death March 17, 1972
The temperature on March 17, 1972 was between 1.0 °C and 18.8 °C and averaged 9.5 °C. There was 9.0 hours of sunshine (76%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I493089.php : accessed March 8, 2026), "Sjoerd Keekstra (1887-1972)".
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