The temperature on May 10, 1927 was between 4.7 °C and 10.5 °C and averaged 7.9 °C. There was 1.5 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 1 » New Mexican oil legislation goes into effect, leading to the formal outbreak of the Cristero War.
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.
June 26 » The Cyclone roller coaster opens on Coney Island.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
Day of death September 23, 1974
The temperature on September 23, 1974 was between 8.5 °C and 11.5 °C and averaged 10.1 °C. There was 2.1 mm of rain during 4.4 hours. The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 8 » After 84 days in space, the crew of Skylab 4, the last crew to visit American space station Skylab, returns to Earth.
February 22 » Samuel Byck attempts to hijack an aircraft at Baltimore/Washington International Airport with the intention of crashing it into the White House to assassinate Richard Nixon, but is killed by police.
March 9 » The Mars 7 Flyby bus releases the descent module too early, missing Mars.
September 1 » The SR-71 Blackbird sets (and holds) the record for flying from New York to London in the time of 1 hour, 54 minutes and 56.4 seconds at a speed of 1,435.587 miles per hour (2,310.353km/h).
September 25 » Dr. Frank Jobe performs first ulnar collateral ligament replacement surgery (better known as Tommy John surgery) on baseball player Tommy John.
December 1 » Northwest Airlines Flight 6231, another Boeing 727, crashes northwest of John F. Kennedy International Airport.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I414014.php : accessed February 26, 2026), "Jantina Meems (1927-1974)".
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