June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage March 9, 1927
The temperature on March 9, 1927 was between -0.9 °C and 9.4 °C and averaged 5.1 °C. There was 2.0 mm of rain. There was 4.8 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
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 22 » Near Xining, China, an 8.3 magnitude earthquake causes 200,000 deaths in one of the world's most destructive earthquakes.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
Day of death March 24, 1961
The temperature on March 24, 1961 was between 4.1 °C and 12.4 °C and averaged 8.4 °C. There was 5.6 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 27 » The Soviet submarine S-80 sinks when its snorkel malfunctions, flooding the boat.
May 30 » The long-time Dominican dictator Rafael Trujillo is assassinated in Santo Domingo, Dominican Republic.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
October 30 » Due to "violations of Vladimir Lenin's precepts", it is decreed that Joseph Stalin's body be removed from its place of honour inside Lenin's tomb and buried near the Kremlin Wall with a plain granite marker.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
Day of burial March 27, 1961
The temperature on March 27, 1961 was between 0.4 °C and 7.9 °C and averaged 4.4 °C. There was 1.4 mm of rain during 0.9 hours. There was 5.4 hours of sunshine (43%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
July 23 » The Sandinista National Liberation Front is founded in Nicaragua.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
September 12 » The African and Malagasy Union is founded.
September 18 » U.N. Secretary-General Dag Hammarskjöld dies in an air crash while attempting to negotiate peace in the Katanga region of the Democratic Republic of the Congo.
October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
When copying data from this family tree, please include a reference to the origin: G. de Jong, "Family tree Karsten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-karsten/I1237.php : accessed February 14, 2026), "Theunis Heeg (1903-1961)".
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