The temperature on March 24, 1884 was about 5.8 °C. There was 0.5 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 75%. 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.
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.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage May 12, 1905
The temperature on May 12, 1905 was between 5.0 °C and 15.9 °C and averaged 10.8 °C. There was 8.5 hours of sunshine (55%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
August 10 » Russo-Japanese War: Peace negotiations begin in Portsmouth, New Hampshire.
September 23 » Norway and Sweden sign the "Karlstad treaty", peacefully dissolving the Union between the two countries.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
October 5 » The Wright brothers pilot the Wright Flyer III in a new world record flight of 24 miles in 39 minutes.
November 12 » Norway holds a referendum resulting in popular approval of the Storting's decision to authorise the government to make the offer of the throne of the newly independent country.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
Day of death February 28, 1960
The temperature on February 28, 1960 was between 4.9 °C and 16.5 °C and averaged 10.4 °C. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 18 » Capital Airlines Flight 20 crashes into a farm in Charles City County, Virginia, killing all 50 aboard, the third fatal Capital Airlines crash in as many years.
June 30 » Belgian Congo gains independence as Republic of the Congo (Léopoldville).
July 20 » Ceylon (now Sri Lanka) elects Sirimavo Bandaranaike Prime Minister, the world's first elected female head of government.
August 13 » The Central African Republic declares independence from France.
August 15 » Republic of the Congo (Brazzaville) becomes independent from France.
December 13 » While Emperor Haile Selassie of Ethiopia visits Brazil, his Imperial Bodyguard seizes the capital and proclaims him deposed and his son, Crown Prince Asfa Wossen, Emperor.
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/I12223.php : accessed October 14, 2026), "Folkert Knap (1884-1960)".
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