The temperature on February 28, 1868 was about 11.7 °C. The air pressure was 7 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. 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).
January 3 » Meiji Restoration in Japan: The Tokugawa shogunate is abolished; agents of Satsuma and Chōshū seize power.
March 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
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.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
Day of marriage May 14, 1898
The temperature on May 14, 1898 was about 10.5 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
February 27 » King George I of Greece survives an assassination attempt.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
August 13 » Spanish–American War: Spanish and American forces engage in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
November 10 » Beginning of the Wilmington insurrection of 1898, the only instance of a municipal government being overthrown in United States history.
Day of death May 30, 1938
The temperature on May 30, 1938 was between 9.2 °C and 14.8 °C and averaged 11.7 °C. There was 4.5 mm of rain during 2.3 hours. There was 4.2 hours of sunshine (26%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
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/I48526.php : accessed December 27, 2025), "Ytje Tjoelker (1868-1938)".
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