The temperature on June 19, 1888 was about 11.2 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 23 » In England, The Football League, the world's oldest professional association football league, meets for the first time.
September 22 » The first issue of National Geographic Magazine is published.
October 14 » Louis Le Prince films the first motion picture, Roundhay Garden Scene.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
October 21 » Foundation of the Swiss Social Democratic Party.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of marriage December 28, 1916
The temperature on December 28, 1916 was between -3.1 °C and 2.7 °C and averaged 0.6 °C. There was 0.3 mm of rain. There was 0.5 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 25 » In the Battle of Verdun, a German unit captures Fort Douaumont, keystone of the French defences, without a fight.
April 10 » The Professional Golfers' Association of America (PGA) is created in New York City.
May 31 » World War I: Battle of Jutland: The British Grand Fleet engages the High Seas Fleet in the largest naval battle of the war, which proves indecisive.
June 24 » Mary Pickford becomes the first female film star to sign a million-dollar contract.
November 7 » Boston Elevated Railway Company's streetcar No. 393 smashes through the warning gates of the open Summer Street drawbridge in Boston, Massachusetts, plunging into the frigid waters of Fort Point Channel, killing 46 people.
December 30 » Russian mystic and advisor to the Tsar Grigori Yefimovich Rasputin was murdered by a loyalist group led by Prince Felix Yusupov. His frozen, partially-trussed body was discovered in a Moscow river three days later.
Day of death December 11, 1966
The temperature on December 11, 1966 was between 2.4 °C and 6.8 °C and averaged 4.0 °C. There was 4.6 mm of rain during 2.6 hours. There was 2.2 hours of sunshine (28%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I9.php : accessed January 7, 2026), "Gerrit Johannes Jonker (1888-1966)".
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