The temperature on March 30, 1890 was about 13.7 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 78 cm mercury. The atmospheric humidity was 51%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
April 7 » Completion of the first Lake Biwa Canal.
July 1 » Canada and Bermuda are linked by telegraph cable.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of death August 10, 1961
The temperature on August 10, 1961 was between 10.1 °C and 21.9 °C and averaged 16.1 °C. There was 5.5 hours of sunshine (37%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
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.
July 19 » Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.
October 29 » Syria exits from the United Arab Republic.
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/I78590.php : accessed October 23, 2026), "Johanna Piersma (1890-1961)".
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