The temperature on March 9, 1910 was between 6.7 °C and 14.0 °C and averaged 10.6 °C. There was 3.6 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
May 4 » The Royal Canadian Navy is created.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of marriage August 30, 1939
The temperature on August 30, 1939 was between 12.2 °C and 23.8 °C and averaged 17.4 °C. There was 0.1 mm of rain. There was 8.8 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
March 22 » Germany takes Memel from Lithuania.
July 28 » The Sutton Hoo helmet is discovered.
September 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
December 13 » World War II: Battle of the River Plate: Captain Hans Langsdorff of the German Deutschland-class cruiser (pocket battleship) Admiral Graf Spee engages with Royal Navy cruisers HMSExeter, HMSAjax and HMSAchilles.
Day of death June 20, 1960
The temperature on June 20, 1960 was between 9.5 °C and 18.1 °C and averaged 13.9 °C. There was 0.4 hours of sunshine (2%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 6 » The Associations Law comes into force in Iraq, allowing registration of political parties.
January 21 » A coal mine collapses at Holly Country, South Africa, killing 435 miners.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
August 7 » Ivory Coast becomes independent from France.
November 2 » Penguin Books is found not guilty of obscenity in the trial R v Penguin Books Ltd, the Lady Chatterley's Lover case.
December 17 » Troops loyal to Emperor Haile Selassie in Ethiopia crush the coup that began December 13, returning power to their leader upon his return from Brazil. Haile Selassie absolves his son of any guilt.
Day of burial June 23, 1960
The temperature on June 23, 1960 was between 11.7 °C and 27.3 °C and averaged 20.2 °C. There was 13.2 hours of sunshine (79%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 21 » Little Joe 1B, a Mercury spacecraft, lifts off from Wallops Island, Virginia with Miss Sam, a female rhesus monkey on board.
February 8 » Queen Elizabeth II of the United Kingdom issues an Order-in-Council, stating that she and her family would be known as the House of Windsor, and that her descendants will take the name Mountbatten-Windsor.
April 1 » The TIROS-1 satellite transmits the first television picture from space.
June 26 » Madagascar gains its independence from France.
August 5 » Burkina Faso, then known as Upper Volta, becomes independent from France.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
When copying data from this family tree, please include a reference to the origin: Bert Emons, "Emons family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-emons/I5.php : accessed February 24, 2026), "Maria Johanna "Marie" Groffen (1910-1960)".
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