April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of death 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
February 29 » The 5.7Mw Agadir earthquake shakes coastal Morocco with a maximum perceived intensity of X (Extreme), destroying Agadir, and leaving 12,000 dead and another 12,000 injured.
March 22 » Arthur Leonard Schawlow and Charles Hard Townes receive the first patent for a laser.
May 13 » Hundreds of University of California, Berkeley students congregate for the first day of protest against a visit by the House Committee on Un-American Activities.
August 12 » Echo 1A, NASA's first successful communications satellite, is launched.
November 8 » John F. Kennedy is elected as the 35th President of the United States.
November 28 » Mauritania becomes independent of France.
When copying data from this family tree, please include a reference to the origin: Harrie Muller, "Family tree Muller", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-muller/I491.php : accessed February 19, 2026), "Johanna Hermina Muller (1896-1960)".
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