The temperature on December 29, 1884 was about -1.5 °C. The air pressure was 1 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
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.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
Day of marriage December 2, 1903
The temperature on December 2, 1903 was between -2.3 °C and 3.9 °C and averaged 0.5 °C. There was 5.8 hours of sunshine (72%). Source: KNMI
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
July 1 » Start of first Tour de France bicycle race.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 6 » The High Court of Australia sits for the first time.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death June 11, 1969
The temperature on June 11, 1969 was between 12.1 °C and 24.8 °C and averaged 18.5 °C. There was 14.3 hours of sunshine (86%). The almost cloudless was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
May 21 » Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
July 24 » Apollo program: Apollo 11 splashes down safely in the Pacific Ocean.
November 10 » National Educational Television (the predecessor to the Public Broadcasting Service) in the United States debuts Sesame Street.
November 20 » Vietnam War: The Plain Dealer (Cleveland, Ohio) publishes explicit photographs of dead villagers from the My Lai Massacre in Vietnam.
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/I195540.php : accessed October 22, 2026), "Pieterke Koekkoek (1884-1969)".
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