The temperature on August 2, 1885 was about 17.2 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. 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 17 » A British force defeats a large Dervish army at the Battle of Abu Klea in the Sudan.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
August 29 » Gottlieb Daimler patents the world's first internal combustion motorcycle, the Reitwagen.
September 6 » Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
November 7 » The completion of Canada's first transcontinental railway is symbolized by the Last Spike ceremony at Craigellachie, British Columbia.
Day of marriage August 10, 1912
The temperature on August 10, 1912 was between 6.5 °C and 18.3 °C and averaged 12.6 °C. There was 3.1 mm of rain. There was 5.4 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
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 7 » The Helsinki Stock Exchange sees its first transaction.
November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
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 10, 1919
The temperature on December 10, 1919 was between -5.8 °C and -1.2 °C and averaged -3.1 °C. There was 0.1 mm of rain. There was 1.5 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 21 » A revolutionary Irish parliament is founded and declares the independence of the Irish Republic. One of the first engagements of the Irish War of Independence takes place.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
February 14 » The Polish–Soviet War begins.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
September 4 » Mustafa Kemal Atatürk, who founded the Republic of Turkey, gathers a congress in Sivas to make decisions as to the future of Anatolia and Thrace.
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/I23958.php : accessed January 30, 2026), "Hendrik van de Vlekkert (1885-1919)".
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