The temperature on June 29, 1891 was about 20.4 °C. The air pressure was 1 kgf/m2 and came mainly from the south. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
March 3 » Shoshone National Forest is established as the first national forest in the US and world.
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
October 1 » Stanford University opens its doors in California, United States.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
Day of marriage February 20, 1915
The temperature on February 20, 1915 was between -0.5 °C and 9.7 °C and averaged 4.5 °C. There was 1.7 mm of rain. There was 0.9 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 21 » Kiwanis International is founded in Detroit.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
March 20 » Albert Einstein publishes his general theory of relativity.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
Day of death September 4, 1940
The temperature on September 4, 1940 was between 9.7 °C and 24.0 °C and averaged 16.9 °C. There was 11.1 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I6943.php : accessed October 14, 2026), "PIETJE de GROOT (1891-1940)".
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