The temperature on May 27, 1861 was about 13.5 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. Source: KNMI
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
April 19 » American Civil War: Baltimore riot of 1861: A pro-Secession mob in Baltimore attacks United States Army troops marching through the city.
May 13 » Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
May 13 » The Great Comet of 1861 is discovered by John Tebbutt of Windsor, New South Wales, Australia.
August 10 » American Civil War: Battle of Wilson's Creek: A mixed force of Confederate, Missouri State Guard, and Arkansas State troops defeat outnumbered attacking Union forces in the southwestern part of the state.
November 8 » American Civil War: The "Trent Affair": The USSSan Jacinto stops the British mail ship Trent and arrests two Confederate envoys, sparking a diplomatic crisis between the UK and US.
December 9 » American Civil War: The Joint Committee on the Conduct of the War is established by the U.S. Congress.
Day of marriage May 14, 1881
The temperature on May 14, 1881 was about 15.0 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
April 28 » Billy the Kid escapes from the Lincoln County jail in Mesilla, New Mexico.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
July 1 » The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
July 4 » In Alabama, the Tuskegee Institute opens.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
Day of death May 4, 1942
The temperature on May 4, 1942 was between -0.5 °C and 9.8 °C and averaged 5.7 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 8 » World War II: Japan invades Singapore.
March 28 » World War II: A British combined force permanently disables the Louis Joubert Lock in Saint-Nazaire in order to keep the German battleship Tirpitz away from the mid-ocean convoy lanes.
May 6 » World War II: On Corregidor, the last American forces in the Philippines surrender to the Japanese.
May 8 » World War II: The German 11th Army begins Operation Trappenjagd (Bustard Hunt) and destroys the bridgehead of the three Soviet armies defending the Kerch Peninsula.
October 11 » World War II: Off Guadalcanal, United States Navy ships intercept and defeat a Japanese force.
December 4 » World War II: Carlson's patrol during the Guadalcanal Campaign ends.
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/I12561.php : accessed October 7, 2026), "Harmke Melles "Harriet" Koopmans (1861-1942)".
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