The temperature on February 11, 1884 was about 4.7 °C. There was 3 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 5 » Germany takes possession of Cameroon.
Day of death January 9, 1940
The temperature on January 9, 1940 was between -9.3 °C and -3.5 °C and averaged -5.8 °C. There was 5.9 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 10 » The Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia.
May 24 » Acting on the orders of Soviet leader Joseph Stalin, NKVD agent Iosif Grigulevich orchestrates an unsuccessful assassination attempt on exiled Russian revolutionary Leon Trotsky in Coyoacán, Mexico.
May 25 » World War II: The German 2nd Panzer Division captures the port of Boulogne-sur-Mer; the surrender of the last French and British troops marks the end of the Battle of Boulogne.
July 19 » Field Marshal Ceremony: First occasion in World War II that Adolf Hitler appoints field marshals due to military achievements.
September 17 » World War II: Due to setbacks in the Battle of Britain and approaching autumn weather, Hitler postpones Operation Sea Lion.
November 11 » World War II: In the Battle of Taranto, the Royal Navy launches the first all-aircraft ship-to-ship naval attack in history.
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/I12691.php : accessed February 20, 2026), "Aletta Catharina van Niekerk (1863-1940)".
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