The temperature on February 24, 1889 was about -1.0 °C. The air pressure was 20 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. Source: KNMI
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
March 31 » The Eiffel Tower is officially opened.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
July 8 » The first issue of The Wall Street Journal is published.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
Day of death January 15, 1966
The temperature on January 15, 1966 was between -6.0 °C and -2.2 °C and averaged -4.2 °C. There was 1.3 mm of rain during 1.3 hours. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
August 29 » The Beatles perform their last concert before paying fans at Candlestick Park in San Francisco.
October 4 » Basutoland becomes independent from the United Kingdom and is renamed Lesotho.
October 10 » The Beach Boys release one of their biggest singles, ranked the 6th greatest song by Rolling Stone, "Good Vibrations".
October 15 » The Black Panther Party is created by Huey P. Newton and Bobby Seale.
November 4 » The Arno River floods Florence, Italy, to a maximum depth of 6.7m (22ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Also Venice was submerged on the same day at its record all-time acqua alta of 194cm (76in).
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I13053.php : accessed February 18, 2026), "Louis Velleman (1889-1966)".
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