The temperature on April 17, 1887 was about 7.8 °C. The air pressure was 6 kgf/m2 and came mainly from the north-northwest. The airpressure was 78 cm mercury. The atmospheric humidity was 54%. 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.
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.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
Day of death March 30, 1954
The temperature on March 30, 1954 was between 4.4 °C and 13.4 °C and averaged 9.1 °C. There was 1.9 mm of rain during 1.9 hours. There was 5.5 hours of sunshine (43%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 2 » India establishes its highest civilian awards, the Bharat Ratna and the Padma Vibhushan.
February 18 » The first Church of Scientology is established in Los Angeles.
February 19 » Transfer of Crimea: The Soviet Politburo of the Soviet Union orders the transfer of the Crimean Oblast from the Russian SFSR to the Ukrainian SSR.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
May 13 » The anti-National Service Riots, by Chinese middle school students in Singapore, take place.
November 19 » Télé Monte Carlo, Europe's oldest private television channel, is launched by Prince Rainier III.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I96891.php : accessed February 13, 2026), "Wilhelmina van Leerdam (1887-1954)".
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