The temperature on December 25, 1889 was about 6.5 °C. The air pressure was 10 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
July 8 » The first issue of The Wall Street Journal is published.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 23 » Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death September 20, 1966
The temperature on September 20, 1966 was between 4.4 °C and 20.8 °C and averaged 12.4 °C. There was 10.3 hours of sunshine (83%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 21 » Rastafari movement: Haile Selassie of Ethiopia visits Jamaica, an event now celebrated as Grounation Day.
May 25 » Explorer program: Explorer 32 launches.
September 9 » The National Traffic and Motor Vehicle Safety Act is signed into law by U.S. President Lyndon B. Johnson.
October 15 » The Black Panther Party is created by Huey P. Newton and Bobby Seale.
November 11 » NASA launches Gemini 12.
December 5 » The musical I Do! I Do!, starring Mary Martin and Robert Preston opens at the 46th Street Theatre, in New York City, and closes on June 15, 1968, after 560 performances.
When copying data from this family tree, please include a reference to the origin: Randy James Hammock, "RanHam Tree", database, Genealogy Online (https://www.genealogieonline.nl/ranham-tree/P385.php : accessed February 11, 2026), "Grace L Lankford (1889-1966)".
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