The temperature on June 30, 1884 was about 17.7 °C. The air pressure was 2 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. 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.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
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.
December 6 » The Washington Monument in Washington, D.C., is completed.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage July 12, 1906
The temperature on July 12, 1906 was between 9.9 °C and 15.1 °C and averaged 12.4 °C. There was 4.8 mm of rain. There was 0.5 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
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.
March 31 » The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) is established to set rules for college sports in the United States.
August 16 » The 8.2 Mw Valparaíso earthquake hits central Chile, killing 3,882 people.
September 5 » The first legal forward pass in American football is thrown by Bradbury Robinson of St. Louis University to teammate Jack Schneider in a 22–0 victory over Carroll College (Wisconsin).
September 24 » U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation's first National Monument.
November 9 » Theodore Roosevelt is the first sitting President of the United States to make an official trip outside the country. He did so to inspect progress on the Panama Canal.
December 10 » U.S. President Theodore Roosevelt wins the Nobel Peace Prize for his role in the mediation of the Russo-Japanese War, becoming the first American to win a Nobel Prize.
Day of death February 28, 1962
The temperature on February 28, 1962 was between -2.0 °C and 0.9 °C and averaged -0.4 °C. There was 0.4 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 10 » Roy Lichtenstein's first solo exhibition opened, and it included Look Mickey, which featured his first employment of Ben-Day dots, speech balloons and comic imagery sourcing, all of which he is now known for.
August 22 » The OAS attempts to assassinate French president Charles de Gaulle.
August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
November 11 » Kuwait's National Assembly ratifies the Constitution of Kuwait.
November 21 » The Chinese People's Liberation Army declares a unilateral ceasefire in the Sino-Indian War.
December 2 » Vietnam War: After a trip to Vietnam at the request of U.S. President John F. Kennedy, U.S. Senate Majority Leader Mike Mansfield becomes the first American official to comment adversely on the war's progress.
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/I212950.php : accessed February 9, 2026), "Klaas Holtrop (1884-1962)".
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