The temperature on April 17, 1861 was about 10.8 °C. The air pressure was 2.5 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 66%. 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).
January 9 » Mississippi becomes the second state to secede from the Union before the outbreak of the American Civil War.
April 6 » First performance of Arthur Sullivan's debut success, his suite of incidental music for The Tempest, leading to a career that included the famous Gilbert and Sullivan operas.
April 29 » American Civil War: Maryland's House of Delegates votes not to secede from the Union.
June 1 » American Civil War: The Battle of Fairfax Court House is fought.
July 16 » American Civil War: At the order of President Abraham Lincoln, Union troops begin a 25-mile march into Virginia for what will become the First Battle of Bull Run, the first major land battle of the war.
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.
Day of marriage May 8, 1891
The temperature on May 8, 1891 was about 17.4 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 53%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
August 16 » The Basilica of San Sebastian, Manila, the first all-steel church in Asia, is officially inaugurated and blessed.
October 1 » Stanford University opens its doors in California, United States.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
Day of death August 20, 1939
The temperature on August 20, 1939 was between 15.6 °C and 27.7 °C and averaged 21.0 °C. There was 0.1 mm of rain during 0.1 hours. There was 9.7 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
January 24 » The deadliest earthquake in Chilean history strikes Chillán, killing approximately 28,000 people.
February 28 » The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
July 28 » The Sutton Hoo helmet is discovered.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
When copying data from this family tree, please include a reference to the origin: Abele Jan Zandstra, "Family tree verwanten aanverwanten Zandstra/Agema", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zandstra-agema/I142095.php : accessed December 24, 2025), "Antje Jans Koops (1861-1939)".
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