The temperature on July 15, 1868 was about 22.0 °C. The air pressure was 1 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
May 30 » Decoration Day (the predecessor of the modern "Memorial Day") is observed in the United States for the first time after a proclamation by John A. Logan, head of the Grand Army of the Republic (a veterans group).
August 13 » The 8.5–9.0 Mw Arica earthquake struck southern Peru with a maximum Mercalli intensity of XI (Extreme), causing 25,000+ deaths and a destructive basin wide tsunami that affected Hawaii and New Zealand.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
October 10 » The Ten Years' War begins against Spanish rule in Cuba.
December 24 » The Greek Presidential Guard is established as the royal escort by King George I.
Day of marriage May 13, 1899
The temperature on May 13, 1899 was about 11.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death November 27, 1960
The temperature on November 27, 1960 was between 5.0 °C and 10.6 °C and averaged 8.6 °C. There was 11.3 mm of rain during 13.8 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 21 » Avianca Flight 671 crashes at Montego Bay, Jamaica airport, killing 37 people.
May 1 » Cold War: U-2 incident: Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Sverdlovsk Oblast, Soviet Union, sparking a diplomatic crisis.
May 9 » The Food and Drug Administration announces it will approve birth control as an additional indication for Searle's Enovid, making Enovid the world's first approved oral contraceptive pill.
June 26 » The former British Protectorate of British Somaliland gains its independence as Somaliland.
July 11 » To Kill a Mockingbird by Harper Lee is first published, in the United States.
November 14 » Ruby Bridges becomes the first black child to attend an all-white elementary school in Louisiana.
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/I56555.php : accessed October 19, 2026), "Ymke Harmens Boelens (1868-1960)".
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