The temperature on January 28, 1884 was about 5.7 °C. There was 0.6 mm of rain. The air pressure was 12 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 70%. 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 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
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 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of marriage August 6, 1909
The temperature on August 6, 1909 was between 10.3 °C and 23.5 °C and averaged 18.0 °C. There was 13.3 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
Day of death June 12, 1966
The temperature on June 12, 1966 was between 15.9 °C and 21.2 °C and averaged 18.2 °C. There was 6.7 mm of rain during 3.1 hours. There was 1.1 hours of sunshine (7%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 17 » Palomares incident: A B-52 bomber collides with a KC-135 Stratotanker over Spain, killing seven airmen, and dropping three 70-kiloton nuclear bombs near the town of Palomares and another one into the sea.
June 14 » The Vatican announces the abolition of the Index Librorum Prohibitorum ("index of prohibited books"), which was originally instituted in 1557.
August 29 » The Beatles perform their last concert before paying fans at Candlestick Park in San Francisco.
September 8 » The landmark American science fiction television series Star Trek premieres with its first-aired episode, "The Man Trap".
September 30 » Bechuanaland declares its independence, and becomes the Republic of Botswana.
December 18 » Saturn's moon Epimetheus is discovered by astronomer Richard Walker.
Day of burial June 16, 1966
The temperature on June 16, 1966 was between 15.0 °C and 29.8 °C and averaged 22.5 °C. There was 8.0 hours of sunshine (48%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 12 » Lyndon B. Johnson states that the United States should stay in South Vietnam until Communist aggression there is ended.
August 1 » Charles Whitman kills 16 people at the University of Texas at Austin before being killed by the police.
August 22 » Labor movements NFWA and AWOC merge to become the United Farm Workers Organizing Committee (UFWOC), predecessor of the United Farm Workers.
October 14 » The city of Montreal begins the operation of its underground Montreal Metro rapid transit system.
October 15 » The Black Panther Party is created by Huey P. Newton and Bobby Seale.
December 26 » The first Kwanzaa is celebrated by Maulana Karenga, the chair of Black Studies at California State University, Long Beach.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I37981.php : accessed February 2, 2026), "Gijsbert Koetsier (1884-1966)".
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