The temperature on February 10, 1889 was about -1.1 °C. There was 3 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
Day of marriage January 8, 1920
The temperature on January 8, 1920 was between -0.8 °C and 7.6 °C and averaged 3.4 °C. There was 2.2 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the southwest. 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.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
October 30 » The Communist Party of Australia is founded in Sydney.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death April 23, 1962
The temperature on April 23, 1962 was between 6.6 °C and 15.9 °C and averaged 11.3 °C. There was 8.2 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 16 » Flooding in the coastal areas of West Germany kills 315 and destroys the homes of about 60,000 people.
August 7 » Canadian-born American pharmacologist Frances Oldham Kelsey awarded the U.S. President's Award for Distinguished Federal Civilian Service for her refusal to authorize thalidomide.
August 30 » Japan conducts a test of the NAMC YS-11, its first aircraft since World War II and its only successful commercial aircraft from before or after the war.
September 25 » The People's Democratic Republic of Algeria is formally proclaimed. Ferhat Abbas is elected President of the provisional government.
December 9 » The Petrified Forest National Park is established in Arizona.
December 14 » NASA's Mariner 2 becomes the first spacecraft to fly by Venus.
When copying data from this family tree, please include a reference to the origin: Nienke Oudbier, "Descendants van de Vlag1", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oudbier/I2880.php : accessed February 2, 2026), "Hendrikus Valkenburg (1889-1962)".
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