The temperature on July 21, 1868 was about 28.3 °C. The air pressure was 5 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. 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).
June 1 » The Treaty of Bosque Redondo is signed, allowing the Navajo to return to their lands in Arizona and New Mexico.
June 23 » Christopher Latham Sholes received a patent for an invention he called the "Type-Writer".
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.
July 25 » The Wyoming Territory is established.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
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 May 11, 1895
The temperature on May 11, 1895 was about 15.6 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 66%. Source: KNMI
January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
March 15 » Heian Shrine is founded.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
Day of death July 31, 1947
The temperature on July 31, 1947 was between 12.8 °C and 22.6 °C and averaged 17.8 °C. There was 12.3 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
June 23 » The United States Senate follows the United States House of Representatives in overriding U.S. President Harry S. Truman's veto of the Taft–Hartley Act.
August 17 » The Radcliffe Line, the border between the Dominions of India and Pakistan, is revealed.
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
November 29 » Partition Plan: The United Nations General Assembly approves a plan for the partition of Palestine.
When copying data from this family tree, please include a reference to the origin: Albert van Ommen, "Family tree Van Ommen", database, Genealogy Online (https://www.genealogieonline.nl/van-ommen-stamboom/I697.php : accessed February 19, 2026), "Aart van Ommen (1868-1947)".
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