The temperature on January 10, 1884 was about 4.8 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 92%. 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.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage April 26, 1912
The temperature on April 26, 1912 was between 4.5 °C and 19.0 °C and averaged 12.2 °C. There was 12.8 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death January 30, 1956
The temperature on January 30, 1956 was between -4.7 °C and 2.1 °C and averaged -2.1 °C. There was 7.3 mm of rain during 6.7 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
November 1 » The Springhill mining disaster in Springhill, Nova Scotia kills 39 miners; 88 are rescued.
November 7 » Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to immediately withdraw their troops from Egypt.
November 22 » The Summer Olympics, officially known as the games of the XVI Olympiad, are opened in Melbourne, Australia.
December 2 » The Granma reaches the shores of Cuba's Oriente Province. Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement disembark to initiate the Cuban Revolution.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I64865.php : accessed February 22, 2026), "Lammert Koops (1884-1956)".
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