January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 9 » The Federation of Australia is given royal assent.
July 19 » The first line of the Paris Métro opens for operation.
Day of death August 13, 1955
The temperature on August 13, 1955 was between 13.8 °C and 22.8 °C and averaged 17.3 °C. There was 9.6 mm of rain during 2.7 hours. There was 4.5 hours of sunshine (30%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 2 » Following the assassination of the Panamanian president José Antonio Remón Cantera, his deputy, José Ramón Guizado, takes power, but is quickly deposed after his involvement in Cantera's death is discovered.
March 2 » Norodom Sihanouk, king of Cambodia, abdicates the throne in favor of his father, Norodom Suramarit.
April 7 » Winston Churchill resigns as Prime Minister of the United Kingdom amid indications of failing health.
August 19 » In the Northeast United States, severe flooding caused by Hurricane Diane, claims 200 lives.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
November 23 » The Cocos Islands are transferred from the control of the United Kingdom to that of Australia.
When copying data from this family tree, please include a reference to the origin: Tineke de Groot, "Family tree De Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-groot/R382.php : accessed January 5, 2026), "Peter Wilhelmus Kessels (1900-1955)".
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