The temperature on July 4, 1891 was about 17.9 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. 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 31 » History of Portugal: The first attempt at a Portuguese republican revolution breaks out in the northern city of Porto.
May 15 » Pope Leo XIII defends workers' rights and property rights in the encyclical Rerum novarum, the beginning of modern Catholic social teaching.
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
July 26 » France annexes Tahiti.
October 1 » Stanford University opens its doors in California, United States.
December 22 » Asteroid 323 Brucia becomes the first asteroid discovered using photography.
Day of marriage November 17, 1920
The temperature on November 17, 1920 was between 1.0 °C and 10.8 °C and averaged 5.6 °C. There was 6.7 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
When copying data from this family tree, please include a reference to the origin: Bernd Boxma, "Family tree Boxma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-boxma/I4728.php : accessed February 23, 2026), "Johanna Maria "Roza" Keijzer (1891-????)".
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