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 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
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.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
Day of marriage February 27, 1909
The average temperature on February 27, 1909 was -2.5 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
February 2 » The Paris Film Congress opens. An attempt by European producers to form an equivalent to the MPCC cartel in the United States.
April 11 » The city of Tel Aviv is founded.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 26 » The Science Museum in London comes into existence as an independent entity.
December 4 » The Montreal Canadiens ice hockey club, the oldest surviving professional hockey franchise in the world, is founded as a charter member of the National Hockey Association.
Day of death April 15, 1953
The temperature on April 15, 1953 was between 0.5 °C and 9.3 °C and averaged 5.6 °C. There was 0.2 mm of rain during 1.3 hours. There was 2.9 hours of sunshine (21%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 13 » An article appears in Pravda accusing some of the most prestigious and prominent doctors, mostly Jews, in the Soviet Union of taking part in a vast plot to poison members of the top Soviet political and military leadership.
March 3 » A De Havilland Comet (Canadian Pacific Air Lines) crashes in Karachi, Pakistan, killing 11.
April 27 » Operation Moolah offers $50,000 to any pilot who defected with a fully mission-capable Mikoyan-Gurevich MiG-15 to South Korea. The first pilot was to receive $100,000.
June 8 » An F5 tornado hits Beecher, Michigan, killing 116, injuring 844, and destroying 340 homes.
September 26 » Rationing of sugar in the United Kingdom ends
November 17 » The remaining human inhabitants of the Blasket Islands, Kerry, Ireland, are evacuated to the mainland.
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I2736.php : accessed February 27, 2026), "Aagje Boonacker (1884-1953)".
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