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 18 » With Italian unification almost complete, Victor Emmanuel II of Piedmont, Savoy and Sardinia assumes the title of King of Italy.
June 1 » American Civil War: The Battle of Fairfax Court House is fought.
June 3 » American Civil War: Battle of Philippi (also called the Philippi Races): Union forces rout Confederate troops in Barbour County, Virginia, now West Virginia.
August 19 » First ascent of Weisshorn, fifth highest summit in the Alps.
October 24 » The first transcontinental telegraph line across the United States is completed.
December 26 » American Civil War: The Trent Affair: Confederate diplomatic envoys James Murray Mason and John Slidell are freed by the United States government, thus heading off a possible war between the United States and the United Kingdom.
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.
March 13 » Alexander II of Russia is assassinated.
April 28 » Billy the Kid escapes from the Lincoln County jail in Mesilla, New Mexico.
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.
November 19 » A meteorite lands near the village of Grossliebenthal, southwest of Odessa, Ukraine.
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 23 » World War II: Japanese submarines fire artillery shells at the coastline near Santa Barbara, California.
March 14 » Anne Miller becomes the first American patient to be treated with penicillin, under the care of Orvan Hess and John Bumstead.
April 9 » World War II: The Battle of Bataan ends. An Indian Ocean raid by Japan's 1st Air Fleet sinks the British aircraft carrier HMSHermes and the Australian destroyer HMASVampire.
August 15 » World War II: Operation Pedestal: The oil tanker SSOhio reaches the island of Malta barely afloat carrying vital fuel supplies for the island's defenses.
August 25 » World War II: Second day of the Battle of the Eastern Solomons; a Japanese naval transport convoy headed towards Guadalcanal is turned back by an Allied air attack.
October 2 » World War II: Ocean Liner RMSQueen Mary accidentally rams and sinks HMSCuracoa, killing 337 crewmen aboard Curacoa.
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 6, 2026), "Harmke Melles "Harriet" Koopmans (1861-1942)".
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