The temperature on February 15, 1886 was about -1.6 °C. The air pressure was 2 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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.
January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
Day of marriage May 9, 1912
The temperature on May 9, 1912 was between 8.2 °C and 17.4 °C and averaged 13.4 °C. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death December 23, 1959
The temperature on December 23, 1959 was between 2.9 °C and 8.0 °C and averaged 5.6 °C. There was 2.1 mm of rain during 1.2 hours. There was 0.5 hours of sunshine (6%). The partly or heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 29 » The first Melodifestivalen is held in Cirkus, Stockholm, Sweden.
February 6 » At Cape Canaveral, Florida, the first successful test firing of a Titan intercontinental ballistic missile is accomplished.
February 9 » The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.
February 28 » Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit.
September 18 » Vanguard 3 is launched into Earth orbit.
November 23 » French President Charles de Gaulle declares in a speech in Strasbourg his vision for "Europe, from the Atlantic to the Urals".
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/I50034.php : accessed October 9, 2026), "Willemke Balkema (1886-1959)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.