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).
February 1 » American Civil War: Texas secedes from the United States.
March 17 » The Kingdom of Italy is proclaimed.
April 19 » American Civil War: Baltimore riot of 1861: A pro-Secession mob in Baltimore attacks United States Army troops marching through the city.
July 21 » American Civil War: First Battle of Bull Run: At Manassas Junction, Virginia, the first major battle of the war begins and ends in a victory for the Confederate army.
October 1 » Mrs Beeton's Book of Household Management is published, going on to sell 60,000 copies in its first year and remaining in print until the present day
December 4 » The 109 Electors of the several states of the Confederate States of America unanimously elect Jefferson Davis as President and Alexander H. Stephens as Vice President.
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.
March 1 » The first Minnesota State Capitol burns down.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
June 13 » The USS Jeannette is crushed in an Arctic Ocean ice pack.
June 14 » The White Rajahs territories become the British protectorate of Sarawak.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
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 20 » World War II: General Douglas MacArthur, at Terowie, South Australia, makes his famous speech regarding the fall of the Philippines, in which he says: "I came out of Bataan and I shall return".
April 18 » World War II: The Doolittle Raid on Japan: Tokyo, Yokohama, Kobe and Nagoya are bombed.
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.
May 31 » World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia.
June 21 » World War II: A Japanese submarine surfaces near the Columbia River in Oregon, firing 17 shells at Fort Stevens in one of only a handful of attacks by Japan against the United States mainland.
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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