May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 28 » The city of Miami, Florida is incorporated.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of marriage August 11, 1920
The temperature on August 11, 1920 was between 12.3 °C and 19.4 °C and averaged 15.1 °C. There was 3.4 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
November 21 » Irish War of Independence: In Dublin, 31 people are killed in what became known as "Bloody Sunday".
December 11 » Irish War of Independence: In retaliation for a recent IRA ambush, British forces burn and loot numerous buildings in Cork city. Many civilians report being beaten, shot at, robbed and verbally abused by British forces.
Day of death July 11, 1951
The temperature on July 11, 1951 was between 14.9 °C and 22.5 °C and averaged 18.2 °C. There was 2.7 mm of rain during 3.1 hours. There was 1.5 hours of sunshine (9%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
January 27 » Nuclear testing at the Nevada Test Site begins with Operation Ranger.
February 9 » Korean War: The two-day Geochang massacre begins as a battalion of the 11th Division of the South Korean Army kills 719 unarmed citizens in Geochang, in the South Gyeongsang district of South Korea
April 5 » Cold War: Ethel and Julius Rosenberg are sentenced to death for spying for the Soviet Union.
April 11 » The Stone of Scone, the stone upon which Scottish monarchs were traditionally crowned, is found on the site of the altar of Arbroath Abbey. It had been taken by Scottish nationalist students from its place in Westminster Abbey.
May 14 » Trains run on the Talyllyn Railway in Wales for the first time since preservation, making it the first railway in the world to be operated by volunteers.
November 1 » Operation Buster–Jangle: Six thousand five hundred American soldiers are exposed to 'Desert Rock' atomic explosions for training purposes in Nevada. Participation is not voluntary.
When copying data from this family tree, please include a reference to the origin: Peter Menting, "Family tree Menting", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-menting/I20970.php : accessed February 24, 2026), "Helena Kersten (1896-1951)".
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