The temperature on January 4, 1889 was about -3.0 °C. The air pressure was 4 kgf/m2 and came mainly from the east. The airpressure was 78 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
March 31 » The Eiffel Tower is officially opened.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
November 8 » Montana is admitted as the 41st U.S. state.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of marriage November 19, 1910
The temperature on November 19, 1910 was between -2.4 °C and 6.9 °C and averaged 2.2 °C. There was 0.1 mm of rain. There was 4.5 hours of sunshine (52%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 29 » The Parliament of the United Kingdom passes the People's Budget, the first budget in British history with the expressed intent of redistributing wealth among the British public.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
October 15 » Airship America is launched from New Jersey in the first attempt to cross the Atlantic by a powered aircraft.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
When copying data from this family tree, please include a reference to the origin: Gert Pieters, "Family tree Koops", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koops/I997.php : accessed January 7, 2026), "Roelofje de Boer (1889-????)".
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