The temperature on October 17, 1885 was about 13.9 °C. The air pressure was 3 kgf/m2 and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. 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 24 » Sino-French War: Chinese victory in the Battle of Bang Bo on the Tonkin-Guangxi border.
April 30 » Governor of New York David B. Hill signs legislation creating the Niagara Reservation, New York's first state park, ensuring that Niagara Falls will not be devoted solely to industrial and commercial use.
June 9 » Treaty of Tientsin is signed to end the Sino-French War, with China eventually giving up Tonkin and Annam – most of present-day Vietnam – to France.
July 23 » President Ulysses S. Grant dies of throat cancer.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
November 17 » Serbo-Bulgarian War: The decisive Battle of Slivnitsa begins.
Day of marriage November 13, 1907
The temperature on November 13, 1907 was between 4.4 °C and 10.3 °C and averaged 8.0 °C. There was 13.2 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
April 17 » The Ellis Island immigration center processes 11,747 people, more than on any other day.
October 22 » A run on the stock of the Knickerbocker Trust Company sets events in motion that will spark the Panic of 1907.
October 27 » Fifteen people are killed in Hungary when a gunman opens fire on a crowd gathered at a church consecration.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
December 31 » The first New Year's Eve celebration is held in Times Square (then known as Longacre Square) in Manhattan.
Day of death July 21, 1964
The temperature on July 21, 1964 was between 14.7 °C and 24.1 °C and averaged 18.8 °C. There was 14.0 mm of rain during 2.8 hours. There was 1.7 hours of sunshine (11%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 27 » The Good Friday earthquake, the most powerful earthquake recorded in North American history at a magnitude of 9.2 strikes Southcentral Alaska, killing 125 people and inflicting massive damage to the city of Anchorage.
April 8 » The Gemini 1 test flight is conducted.
May 20 » Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.
July 19 » Vietnam War: At a rally in Saigon, South Vietnamese Prime Minister Nguyễn Khánh calls for expanding the war into North Vietnam.
August 5 » Vietnam War: Operation Pierce Arrow: American aircraft from carriers USSTiconderoga and USSConstellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin.
September 21 » The North American XB-70 Valkyrie, the world's fastest bomber, makes its maiden flight from Palmdale, California.
When copying data from this family tree, please include a reference to the origin: Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I67768.php : accessed February 19, 2026), "Helena Kroon (1885-1964)".
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