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.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
July 5 » Germany takes possession of Cameroon.
December 6 » The Washington Monument in Washington, D.C., is completed.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of death October 19, 1957
The temperature on October 19, 1957 was between 3.5 °C and 13.5 °C and averaged 10.0 °C. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
June 10 » John Diefenbaker leads the Progressive Conservative Party of Canada to a stunning upset in the 1957 Canadian federal election, ending 22 years of Liberal Party government.
October 3 » The California State Superior Court rules that the book Howl and Other Poems is not obscene.
October 4 » Sputnik 1 becomes the first artificial satellite to orbit the Earth.
October 10 » U.S. President Eisenhower apologizes to Ghanaian finance minister Gbedemah after he is refused service in a Delaware restaurant.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I1597.php : accessed January 5, 2026), "Helmer Boer (1884-1957)".
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