The temperature on April 9, 1881 was about 11.4 °C. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 47%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Cadillac Motor Company is founded.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death May 21, 1947
The temperature on May 21, 1947 was between 8.7 °C and 17.2 °C and averaged 13.2 °C. There was 13.3 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
August 17 » The Radcliffe Line, the border between the Dominions of India and Pakistan, is revealed.
October 1 » The North American F-86 Sabre flies for the first time.
November 18 » The Ballantyne's Department Store fire in Christchurch, New Zealand, kills 41; it is the worst fire disaster in the history of New Zealand.
November 25 » New Zealand ratifies the Statute of Westminster and thus becomes independent of legislative control by the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I15026.php : accessed January 27, 2026), "Louisa Christina Catharina Dreyer (1881-1947)".
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