The temperature on February 20, 1877 was about 2.0 °C. There was 4 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the south. The airpressure was 74 cm mercury. The atmospheric humidity was 93%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 1 » Queen Victoria of the United Kingdom is proclaimed Empress of India.
February 20 » Tchaikovsky's ballet Swan Lake receives its premiere at the Bolshoi Theatre in Moscow.
April 24 » Russo-Turkish War: Russian Empire declares war on Ottoman Empire.
May 16 » The 16 May 1877 crisis occurs in France, ending with the dissolution of the National Assembly 22 June and affirming the interpretation of the Constitution of 1875 as a parliamentary rather than presidential system. The elections held in October 1877 led to the defeat of the royalists as a formal political movement in France.
July 14 » The Great Railroad Strike of 1877 began in Martinsburg, West Virginia, when wages of Baltimore and Ohio Railroad workers were cut for the third time in a year. The strike was ended on Sept 4 by local and state militias, and federal troops.
December 10 » Russo-Turkish War: The Russian Army captures Plevna after a 5-month siege. The garrison of 25,000 surviving Turks surrenders. The Russian victory is decisive for the outcome of the war and the Liberation of Bulgaria.
Day of marriage April 13, 1901
The temperature on April 13, 1901 was between 3.3 °C and 9.1 °C and averaged 5.8 °C. There was 7.3 hours of sunshine (53%). Source: KNMI
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 8 » Gospel riots: Bloody clashes take place in Athens following the translation of the Gospels into demotic Greek.
November 13 » The 1901 Caister lifeboat disaster.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death June 11, 1962
The temperature on June 11, 1962 was between 6.7 °C and 16.5 °C and averaged 12.0 °C. There was 1.7 hours of sunshine (10%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 29 » Arturo Frondizi, the president of Argentina, is overthrown in a military coup by Argentina's armed forces, ending an 11⁄2 day constitutional crisis.
June 2 » During the FIFA World Cup, police had to intervene multiple times in fights between Chilean and Italian players in one of the most violent games in football history.
September 27 » The Yemen Arab Republic is established.
October 9 » A visible light-emitting diode (LED) is first demonstrated in Syracuse, New York.
October 20 » China launches simultaneous offensives in Ladakh and across the McMahon Line, igniting the Sino-Indian War.
December 14 » NASA's Mariner 2 becomes the first spacecraft to fly by Venus.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I51620.php : accessed October 6, 2026), "Douwe Ypma (1877-1962)".
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