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.
April 14 » U.S. President Abraham Lincoln is shot in Ford's Theatre by John Wilkes Booth; Lincoln died the next day.
April 26 » Union cavalry troopers corner and shoot dead John Wilkes Booth, assassin of President Abraham Lincoln, in Virginia.
May 5 » American Civil War: The Confederate government was declared dissolved at Washington, Georgia.
May 9 » American Civil War: Nathan Bedford Forrest surrenders his forces at Gainesville, Alabama.
June 11 » The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
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.
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.
April 3 » The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs.
May 12 » In Southeast Asia, the North Borneo Chartered Company's territories become the British protectorate of North Borneo.
July 15 » The stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.
September 22 » The first issue of National Geographic Magazine is published.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
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 3 » The Bangko Sentral ng Pilipinas, the central bank of the Philippines, is established.
February 14 » The Knesset (parliament of Israel) convenes for the first time.
May 20 » In the United States, the Armed Forces Security Agency, the predecessor to the National Security Agency, is established.
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 24 » The treaty creating the North Atlantic Treaty Organization goes into effect.
August 29 » Soviet atomic bomb project: The Soviet Union tests its first atomic bomb, known as First Lightning or Joe 1, at Semipalatinsk, Kazakhstan.
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 23, 2026), "Hendrik Mertens (1865-1949)".
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