January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of marriage June 13, 1927
The temperature on June 13, 1927 was between 10.9 °C and 20.5 °C and averaged 14.8 °C. There was 4.0 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 7 » The first transatlantic telephone service is established from New York City to London.
May 18 » After being founded for 20 years, the Government of the Republic of China approves Tongji University to be among the first national universities of the Republic of China.
May 18 » The Bath School disaster: Forty-five people, including many children, are killed by bombs planted by a disgruntled school-board member in Michigan.
August 1 » The Nanchang Uprising marks the first significant battle in the Chinese Civil War between the Kuomintang and Chinese Communist Party. This day is commemorated as the anniversary of the founding of the People's Liberation Army.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
December 19 » Three Indian revolutionaries, Ram Prasad Bismil, Roshan Singh and Ashfaqulla Khan, are executed by the British Raj for participation in the Kakori conspiracy.
Day of death February 11, 1966
The temperature on February 11, 1966 was between -3.5 °C and -0.5 °C and averaged -1.7 °C. There was 4.4 mm of rain during 3.6 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 12 » Lyndon B. Johnson states that the United States should stay in South Vietnam until Communist aggression there is ended.
February 3 » The Soviet Union's Luna 9 becomes the first spacecraft to make a soft landing on the Moon, and the first spacecraft to take pictures from the surface of the Moon.
July 8 » King Mwambutsa IV Bangiriceng of Burundi is deposed by his son Prince Charles Ndizi.
August 10 » The Heron Road Bridge collapses while being built, killing nine workers in the deadliest construction accident in both Ottawa and Ontario.
August 26 » The South African Border War starts with the battle at Omugulugwombashe.
November 24 » Bulgarian TABSO Flight 101 crashes near Bratislava, Czechoslovakia, killing all 82 people on board.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53691.php : accessed February 3, 2026), "Maria Cornelia Joanna van Helvoort (1902-1966)".
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