May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of marriage May 15, 1930
The temperature on May 15, 1930 was between 2.7 °C and 17.4 °C and averaged 12.1 °C. There was 0.1 mm of rain. There was 7.8 hours of sunshine (50%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 6 » The first diesel-powered automobile trip is completed, from Indianapolis, Indiana, to New York, New York.
February 16 » The Romanian Football Federation joins FIFA.
March 29 » Heinrich Brüning is appointed German Reichskanzler.
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
June 21 » One-year conscription comes into force in France.
August 29 » The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.
Day of death October 23, 1974
The temperature on October 23, 1974 was between 8.8 °C and 11.5 °C and averaged 10.0 °C. There was 2.8 mm of rain during 4.2 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 1 » A fire in the 25-story Joelma Building in São Paulo, Brazil kills 189 and injures 293.
May 15 » Ma'alot massacre: Members of the Democratic Front for the Liberation of Palestine attack and take hostages at an Israeli school; a total of 31 people are killed, including 22 schoolchildren.
June 1 » The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine.
July 28 » Spetsgruppa A, Russia's elite special force, was formed.
August 4 » A bomb explodes in the Italicus Express train at San Benedetto Val di Sambro, Italy, killing 12 people and wounding 22.
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).
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I101447.php : accessed October 6, 2026), "Stientje Holman (1902-1974)".
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