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.
March 3 » Opening of The Hongkong and Shanghai Banking Corporation, the founding member of the HSBC Group.
April 6 » American Civil War: The Battle of Sailor's Creek: Confederate General Robert E. Lee's Army of Northern Virginia fights and loses its last major battle while in retreat from Richmond, Virginia during the Appomattox Campaign.
April 27 » The Sultana explodes and sinks in the United States' worst maritime disaster.
June 28 » The Army of the Potomac is disbanded.
November 11 » Treaty of Sinchula is signed whereby Bhutan cedes the areas east of the Teesta River to the British East India Company.
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.
March 23 » In England, The Football League, the world's oldest professional association football league, meets for the first time.
May 12 » In Southeast Asia, the North Borneo Chartered Company's territories become the British protectorate of North Borneo.
May 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
October 14 » Louis Le Prince films the first motion picture, Roundhay Garden Scene.
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).
March 2 » Captain James Gallagher lands his B-50 Superfortress Lucky Lady II in Fort Worth, Texas, after completing the first non-stop around-the-world airplane flight in 94 hours and one minute.
April 4 » Cold War: Twelve nations sign the North Atlantic Treaty creating the North Atlantic Treaty Organization.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 3 » The Basketball Association of America and the National Basketball League finalize the merger that would create the National Basketball Association.
October 7 » The communist German Democratic Republic (East Germany) is formed.
November 7 » The first oil was taken in Oil Rocks (Neft Daşları), oldest offshore oil platform.
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 21, 2026), "Hendrik Mertens (1865-1949)".
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