The temperature on May 9, 1861 was about 10.1 °C. The air pressure was 0.5 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. 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 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 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 15 » President Abraham Lincoln calls for 75,000 Volunteers to quell the insurrection that soon became the American Civil War.
May 13 » Pakistan's (then a part of British India) first railway line opens, from Karachi to Kotri.
May 24 » American Civil War: Union troops occupy Alexandria, Virginia.
August 29 » American Civil War: The Battle of Hatteras Inlet Batteries gives Federal forces control of Pamlico Sound.
Day of death June 21, 1949
The temperature on June 21, 1949 was between 10.8 °C and 20.5 °C and averaged 15.0 °C. There was 12.8 hours of sunshine (76%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
March 8 » President of France Vincent Auriol and ex-emperor of Annam Bảo Đại sign the Élysée Accords, giving Vietnam greater independence from France and creating the State of Vietnam to oppose Viet Minh-led Democratic Republic of Vietnam.
May 23 » Cold War: The Western occupying powers approve the Basic Law and establish a new German state, the Federal Republic of Germany.
July 27 » Initial flight of the de Havilland Comet, the first jet-powered airliner.
August 31 » The retreat of the Democratic Army of Greece in Albania after its defeat on Gramos mountain marks the end of the Greek Civil War.
September 27 » Zeng Liansong's design is chosen as the flag of the People's Republic of China.
September 29 » The Communist Party of China writes the Common Programme for the future People's Republic of China.
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/I218123.php : accessed October 12, 2026), "Hindrik Plaggenborg (1861-1949)".
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