The temperature on April 29, 1886 was about 3.9 °C. The air pressure was 16 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. 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.
January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 30 » The Folies Bergère stages its first revue.
Day of death May 25, 1961
The temperature on May 25, 1961 was between 8.0 °C and 20.0 °C and averaged 14.6 °C. There was 7.3 hours of sunshine (45%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
May 5 » Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
December 2 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
December 9 » Tanganyika becomes independent from Britain.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
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/I208799.php : accessed February 12, 2026), "Klaas Mulder (1886-1961)".
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