The temperature on March 11, 1884 was about 13.3 °C. There was 1 mm of rain. The air pressure was 12 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 66%. 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.
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
Day of death July 12, 1920
The temperature on July 12, 1920 was between 13.6 °C and 26.3 °C and averaged 18.8 °C. There was 11.2 mm of rain. There was 4.8 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
April 23 » The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
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/I84085.php : accessed October 13, 2026), "Ybeltje Boonstra (1884-1920)".
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