The temperature on February 20, 1887 was about 1.4 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
Day of marriage January 15, 1912
The average temperature on January 15, 1912 was -0.5 °C. There was 0.5 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 17 » British polar explorer Captain Robert Falcon Scott reaches the South Pole, one month after Roald Amundsen.
May 8 » Paramount Pictures is founded.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I22375.php : accessed February 15, 2026), "Lamke Jagersma (1887-????)".
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