The temperature on May 19, 1865 was about 15.0 °C. The air pressure was 7 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 60%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 8 » Delaware refuses to ratify the Thirteenth Amendment to the U.S. Constitution. Slavery was outlawed in the United States, including Delaware, when the Amendment was ratified by the requisite number of states on December 6, 1865. Delaware ratified the Thirteenth Amendment on February 12, 1901, which was the ninety-second anniversary of the birth of Abraham Lincoln.
May 17 » The International Telegraph Union (later the International Telecommunication Union) is established in Paris.
July 21 » In the market square of Springfield, Missouri, Wild Bill Hickok shoots and kills Davis Tutt in what is regarded as the first western showdown.
July 27 » Welsh settlers arrive at Chubut in Argentina.
July 31 » The first narrow-gauge mainline railway in the world opens at Grandchester, Queensland, Australia.
December 4 » North Carolina ratifies 13th Amendment to the U.S. Constitution, followed soon by Georgia, and U.S. slaves were legally free within two weeks.
Day of marriage June 2, 1888
The temperature on June 2, 1888 was about 11.6 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 62%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
January 13 » The National Geographic Society is founded in Washington, D.C.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
April 6 » Thomas Green Clemson dies, bequeathing his estate to the State of South Carolina to establish Clemson Agricultural College.
July 15 » The stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of death June 2, 1949
The temperature on June 2, 1949 was between 9.1 °C and 18.0 °C and averaged 13.4 °C. There was 7.6 hours of sunshine (46%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
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 31 » These Are My Children, the first television daytime soap opera, is broadcast by the NBC station in Chicago.
March 10 » Mildred Gillars ("Axis Sally") is convicted of treason.
March 31 » The Dominion of Newfoundland joins the Canadian Confederation and becomes the 10th Province of Canada.
June 8 » Helen Keller, Dorothy Parker, Danny Kaye, Fredric March, John Garfield, Paul Muni and Edward G. Robinson are named in an FBI report as Communist Party members.
August 10 » An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force, and replaces the National Military Establishment with the Department of Defense.
August 24 » The treaty creating the North Atlantic Treaty Organization goes into effect.
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/I197186.php : accessed October 22, 2026), "Hendrik Mertens (1865-1949)".
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