The temperature on July 21, 1887 was about 15.9 °C. The air pressure was 12 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 71%. 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 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
Day of marriage July 2, 1915
The temperature on July 2, 1915 was between 9.7 °C and 18.6 °C and averaged 14.7 °C. There was 0.6 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death June 17, 1966
The temperature on June 17, 1966 was between 14.0 °C and 27.9 °C and averaged 19.5 °C. There was 11.6 mm of rain during 1.2 hours. There was 8.6 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Arthur Storm, "Family tree Storm", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-storm/I343.php : accessed March 16, 2026), "Petrus Arnoldus Maria Egtberts (1887-1966)".
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