The temperature on April 5, 1868 was about 18.7 °C. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 42%. 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 23 » The University of California is founded in Oakland, California when the Organic Act is signed into law.
April 10 » At Arogee in Abyssinia, British and Indian forces defeat an army of Emperor Tewodros II. While 700 Ethiopians are killed and many more injured, only two British/Indian troops die.
June 23 » Christopher Latham Sholes received a patent for an invention he called the "Type-Writer".
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
Day of marriage June 1, 1895
The temperature on June 1, 1895 was about 18.1 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 84%. Source: KNMI
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
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 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
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.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death June 12, 1948
The temperature on June 12, 1948 was between 14.8 °C and 29.7 °C and averaged 22.5 °C. There was 12.8 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
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.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 29 » The Pakistan Socialist Party is founded in Karachi.
February 25 » In a coup d'état led by Klement Gottwald, the Communist Party of Czechoslovakia takes control of government in Prague to end the Third Czechoslovak Republic.
May 18 » The First Legislative Yuan of the Republic of China officially convenes in Nanking.
May 29 » United Nations Truce Supervision Organization is founded.
June 28 » Boxer Dick Turpin beats Vince Hawkins at Villa Park in Birmingham to become the first black British boxing champion in the modern era.
December 11 » Arab–Israeli War: The United Nations passes General Assembly Resolution 194, creating a Conciliation Commission to mediate the conflict.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I1971.php : accessed October 10, 2026), "PIETER de GRAAF (1868-1948)".
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