The temperature on December 31, 1886 was about -0.3 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. 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.
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.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of marriage June 11, 1912
The temperature on June 11, 1912 was between 11.1 °C and 20.6 °C and averaged 16.3 °C. There was 10.5 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
January 23 » The International Opium Convention is signed at The Hague.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
Day of death November 11, 1957
The temperature on November 11, 1957 was between 7.2 °C and 11.7 °C and averaged 10.0 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 1 » Lèse majesté in Thailand was strengthened to include "insult" and changed to a crime against national security, after Thai criminal code of 1956 went into effect.
February 22 » Ngô Đình Diệm of South Vietnam survives a communist shooting assassination attempt in Buôn Ma Thuột.
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
April 11 » United Kingdom agrees to Singaporean self-rule.
September 22 » In Haiti, François Duvalier is elected president.
October 3 » The California State Superior Court rules that the book Howl and Other Poems is not obscene.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I71819.php : accessed February 16, 2026), "Johannes de Koning (1886-1957)".
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