The temperature on May 28, 1868 was about 24.3 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 50%. 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.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
November 27 » American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.
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 10 » 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.
Day of marriage April 9, 1896
The temperature on April 9, 1896 was about 9.4 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 95%. Source: KNMI
February 21 » An Englishman raised in Australia, Bob Fitzsimmons, fought an Irishman, Peter Maher, in an American promoted event which technically took place in Mexico, winning the 1896 World Heavyweight Championship in boxing.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
Day of death June 16, 1946
The temperature on June 16, 1946 was between 9.8 °C and 17.6 °C and averaged 13.2 °C. There was 4.2 mm of rain during 1.6 hours. There was 4.5 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
March 9 » Bolton Wanderers stadium disaster at Burnden Park, Bolton, England, kills 33 and injures hundreds more.
August 4 » An earthquake of magnitude 8.0 hits northern Dominican Republic. One hundred are killed and 20,000 are left homeless.
October 16 » Nuremberg trials: Ten defendants found guilty by the International Military Tribunal are executed by hanging.
October 22 » Operation Osoaviakhim takes place, recruiting of thousands of military-related technical specialists from the Soviet occupation zone of post–World War II Germany for employment in the Soviet Union.
November 23 » French naval bombardment of Hai Phong, Vietnam, kills thousands of civilians.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I11023.php : accessed February 14, 2026), "Jan Zwep (1868-1946)".
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