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.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
June 13 » A fire devastates much of Vancouver, British Columbia.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
July 4 » The Canadian Pacific Railway's first scheduled train from Montreal arrives in Port Moody on the Pacific coast, after six days of travel.
November 14 » Friedrich Soennecken first developed the hole puncher, a type of office tool capable of punching small holes in paper.
November 30 » The Folies Bergère stages its first revue.
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 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
May 4 » Italy occupies the Greek island of Rhodes.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
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
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 10, 2026), "Willemke Balkema (1886-1959)".
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