The temperature on June 9, 1886 was about 17.7 °C. The air pressure was 4 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. 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 29 » Karl Benz patents the first successful gasoline-driven automobile.
March 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
March 27 » Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
May 29 » The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
November 14 » Friedrich Soennecken first developed the hole puncher, a type of office tool capable of punching small holes in paper.
Day of marriage May 20, 1916
The temperature on May 20, 1916 was between 3.8 °C and 20.0 °C and averaged 13.0 °C. There was 12.5 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
January 24 » In Brushaber v. Union Pacific Railroad Co., the Supreme Court of the United States declares the federal income tax constitutional.
April 29 » World War I: The UK's 6th Indian Division surrenders to Ottoman Forces at the Siege of Kut in one of the largest surrenders of British forces up to that point.
June 4 » World War I: Russia opens the Brusilov Offensive with an artillery barrage of Austro-Hungarian lines in Galicia.
November 5 » The Kingdom of Poland is proclaimed by the Act of 5th November of the emperors of Germany and Austria-Hungary.
November 19 » Samuel Goldwyn and Edgar Selwyn establish Goldwyn Pictures.
December 23 » World War I: Battle of Magdhaba: Allied forces defeat Turkish forces in the Sinai Peninsula.
Day of death May 22, 1964
The temperature on May 22, 1964 was between 8.7 °C and 19.9 °C and averaged 14.6 °C. There was 5.6 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 1 » The Federation of Rhodesia and Nyasaland is divided into the independent republics of Zambia and Malawi, and the British-controlled Rhodesia.
January 9 » Martyrs' Day: Several Panamanian youths try to raise the Panamanian flag in the U.S.-controlled Panama Canal Zone, leading to fighting between U.S. military and Panamanian civilians.
February 9 » The Beatles make their first appearance on The Ed Sullivan Show, performing before a "record-busting" audience of 73 million viewers across the USA.
May 5 » The Council of Europe declares May 5 as Europe Day.
July 31 » Ranger program: Ranger 7 sends back the first close-up photographs of the moon, with images 1,000 times clearer than anything ever seen from earth-bound telescopes.
October 22 » Jean-Paul Sartre is awarded the Nobel Prize in Literature, but turns down the honor.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I283239.php : accessed February 15, 2026), "Harmannus Tonkens (1886-1964)".
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