The temperature on June 19, 1881 was about 14.7 °C. There was 16 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. 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.
April 14 » The Four Dead in Five Seconds Gunfight is fought in El Paso, Texas.
May 12 » In North Africa, Tunisia becomes a French protectorate.
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
November 3 » The Mapuche uprising of 1881 begins in Chile.
November 7 » Mapuche rebels attack the Chilean settlement of Nueva Imperial, as defenders fled to the hills and the settlement was effectively destroyed.
Day of marriage May 29, 1909
The temperature on May 29, 1909 was between 8.1 °C and 16.5 °C and averaged 11.6 °C. There was 0.5 mm of rain. There was 3.1 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 18 » Joan of Arc is beatified in Rome.
May 31 » The National Negro Committee, forerunner to the National Association for the Advancement of Colored People (NAACP), convenes for the first time.
August 24 » Workers start pouring concrete for the Panama Canal.
October 26 » An Jung-geun assassinates Japan's Resident-General of Korea.
Day of death August 1, 1955
The temperature on August 1, 1955 was between 11.5 °C and 22.7 °C and averaged 18.2 °C. There was 7.9 hours of sunshine (51%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 1 » The EOKA rebellion against the British Empire begins in Cyprus, with the goal of unifying with Greece.
April 3 » The American Civil Liberties Union announces it will defend Allen Ginsberg's book Howl against obscenity charges.
May 9 » Cold War: West Germany joins NATO.
July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
August 19 » In the Northeast United States, severe flooding caused by Hurricane Diane, claims 200 lives.
August 20 » Battle of Philippeville: In Morocco, a force of Berbers from the Atlas Mountains region of Algeria raid two rural settlements and kill 77 French nationals.
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/I60173.php : accessed October 22, 2026), "Popke de Groot (1881-1955)".
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