The temperature on February 20, 1867 was about 8.7 °C. The air pressure was 1 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
January 15 » Forty people die when ice covering the boating lake at Regent's Park, London, collapses.
February 13 » Work begins on the covering of the Senne, burying Brussels's primary river and creating the modern central boulevards.
February 17 » The first ship passes through the Suez Canal.
March 2 » The U.S. Congress passes the first Reconstruction Act.
October 21 » The Medicine Lodge Treaty is signed by southern Great Plains Indian leaders. The treaty requires Native American Plains tribes to relocate to a reservation in western Oklahoma.
December 4 » Former Minnesota farmer Oliver Hudson Kelley founds the Order of the Patrons of Husbandry (better known today as the Grange).
Day of marriage May 25, 1890
The temperature on May 25, 1890 was about 21.3 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. Source: KNMI
January 25 » Nellie Bly completes her round-the-world journey in 72 days.
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 10 » Wyoming is admitted as the 44th U.S. state.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
Day of death May 7, 1961
The temperature on May 7, 1961 was between 8.5 °C and 15.6 °C and averaged 12.3 °C. There was 2.3 mm of rain during 2.0 hours. There was 10.6 hours of sunshine (70%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 26 » John F. Kennedy appoints Janet G. Travell to be the first woman Physician to the President.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
May 31 » In Moscow City Court, the Rokotov–Faibishenko show trial begins, despite the Khrushchev Thaw to reverse Stalinist elements in Soviet society.
September 1 » The Eritrean War of Independence officially begins with the shooting of Ethiopian police by Hamid Idris Awate.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
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/I56104.php : accessed October 19, 2026), "Helena Westra (1867-1961)".
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