February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
Day of marriage May 14, 1920
The temperature on May 14, 1920 was between 4.6 °C and 16.5 °C and averaged 10.8 °C. There was 12.1 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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.
May 3 » A Bolshevik coup fails in the Democratic Republic of Georgia.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
Day of death August 6, 1966
The temperature on August 6, 1966 was between 10.9 °C and 19.4 °C and averaged 15.0 °C. There was 0.1 mm of rain during 0.4 hours. There was 8.5 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
March 19 » 1965–66 Texas Western Miners men's basketball team wins the NCAA Division I Men's Basketball Tournament.
June 30 » The National Organization for Women, the United States' largest feminist organization, is founded.
July 30 » England defeats West Germany to win the 1966 FIFA World Cup at Wembley Stadium after extra time.
August 26 » The South African Border War starts with the battle at Omugulugwombashe.
September 6 » Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I108898.php : accessed January 3, 2026), "Jakobje Slotegraaf (1897-1966)".
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