The temperature on January 21, 1863 was about 4.2 °C. The air pressure was 25 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 66%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 11 » American Civil War: Battle of Arkansas Post: General John McClernand and Admiral David Dixon Porter capture the Arkansas River for the Union.
May 23 » The General German Workers' Association, a precursor of the modern Social Democratic Party of Germany, is founded in Leipzig, Kingdom of Saxony.
July 3 » American Civil War: The final day of the Battle of Gettysburg culminates with Pickett's Charge.
July 4 » American Civil War: The Army of Northern Virginia withdraws from the battlefield after losing the Battle of Gettysburg, signalling an end to the Confederate invasion of U.S. territory.
August 21 » Lawrence, Kansas is destroyed by pro-Confederate guerrillas known as Quantrill's Raiders.
October 31 » The New Zealand Wars resume as British forces in New Zealand led by General Duncan Cameron begin their Invasion of the Waikato.
Day of marriage May 11, 1920
The temperature on May 11, 1920 was between 3.2 °C and 18.7 °C and averaged 12.9 °C. There was 11.6 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 16 » The League of Nations holds its first council meeting in Paris, France.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
February 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death December 18, 1923
The temperature on December 18, 1923 was between 4.8 °C and 8.5 °C and averaged 6.9 °C. There was 0.7 mm of rain. There was 4.2 hours of sunshine (54%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
June 18 » Checker Taxi puts its first taxi on the streets.
August 23 » Captain Lowell Smith and Lieutenant John P. Richter performed the first mid-air refueling on De Havilland DH-4B, setting an endurance flight record of 37 hours.
September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
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/I27559.php : accessed March 2, 2026), "Jan Bontekoe (1863-1923)".
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