The temperature on July 15, 1861 was about 23.6 °C. There was 0.1 mm of rain. The air pressure was 2.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 62%. 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 12 » American Civil War: Battle of Fort Sumter. The war begins with Confederate forces firing on Fort Sumter, in the harbor of Charleston, South Carolina.
April 19 » American Civil War: Baltimore riot of 1861: A pro-Secession mob in Baltimore attacks United States Army troops marching through the city.
April 29 » American Civil War: Maryland's House of Delegates votes not to secede from the Union.
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.
September 6 » American Civil War: Forces under Union General Ulysses S. Grant bloodlessly capture Paducah, Kentucky, giving the Union control of the Tennessee River's mouth.
November 1 » American Civil War: U.S. President Abraham Lincoln appoints George B. McClellan as the commander of the Union Army, replacing General Winfield Scott.
Day of death April 6, 1939
The temperature on April 6, 1939 was between 3.3 °C and 8.1 °C and averaged 6.5 °C. There was 5.9 mm of rain during 3.2 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
April 9 » African-American singer Marian Anderson gives a concert at the Lincoln Memorial after being denied the use of Constitution Hall by the Daughters of the American Revolution.
September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
September 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
December 17 » World War II: Battle of the River Plate: The Admiral Graf Spee is scuttled by Captain Hans Langsdorff outside Montevideo.
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/I124876.php : accessed October 13, 2026), "Douwe Koopmans (1861-1939)".
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