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 17 » The state of Virginia's secession convention votes to secede from the United States, later becoming the eighth state to join the Confederate States of America.
July 25 » American Civil War: The United States Congress passes the Crittenden–Johnson Resolution, stating that the war is being fought to preserve the Union and not to end slavery.
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.
August 19 » First ascent of Weisshorn, fifth highest summit in the Alps.
September 3 » American Civil War: Confederate General Leonidas Polk invades neutral Kentucky, prompting the state legislature to ask for Union assistance.
December 10 » Forces led by Nguyễn Trung Trực, an anti-colonial guerrilla leader in southern Vietnam, sink the French lorcha L'Esperance.
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.
February 24 » China and Russia sign the Sino-Russian Ili Treaty.
March 1 » The first Minnesota State Capitol burns down.
April 14 » The Four Dead in Five Seconds Gunfight is fought in El Paso, Texas.
April 16 » In Dodge City, Kansas, Bat Masterson fights his last gun battle.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
September 20 » U.S. President Chester A. Arthur is sworn in, the morning after becoming President upon James A. Garfield's death.
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.
March 8 » World War II: Imperial Japanese Army forces gave ultimatum to Dutch East Indies Governor General Jonkheer Tjarda van Starkenborgh Stachouwer and KNIL Commander in Chief Lieutenant General Hein Ter Poorten, to unconditionally surrender.
May 31 » World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia.
June 11 » Free French Forces retreat from Bir Hakeim after having successfully delayed the Axis advance.
July 23 » World War II: The German offensives Operation Edelweiss and Operation Braunschweig begin.
September 12 » World War II: RMS Laconia, carrying civilians, Allied soldiers and Italian POWs is torpedoed off the coast of West Africa and sinks with a heavy loss of life.
November 1 » World War II: Matanikau Offensive begins during the Guadalcanal Campaign and ends three days later with an American victory.
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 10, 2026), "Harmke Melles "Harriet" Koopmans (1861-1942)".
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