April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
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).
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage November 6, 1939
The temperature on November 6, 1939 was between 6.7 °C and 12.8 °C and averaged 9.2 °C. There was 2.8 mm of rain during 2.5 hours. There was 6.8 hours of sunshine (73%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
September 1 » General George C. Marshall becomes Chief of Staff of the United States Army.
September 10 » World War II: Canada declares war on Germany, joining the Allies: Poland, France, the United Kingdom, New Zealand and Australia.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
November 4 » World War II: U.S. President Franklin D. Roosevelt orders the United States Customs Service to implement the Neutrality Act of 1939, allowing cash-and-carry purchases of weapons by belligerents.
November 26 » Shelling of Mainila: The Soviet Army orchestrates an incident which is used to justify the start of the Winter War with Finland four days later.
November 30 » Winter War: Soviet forces cross the Finnish border in several places and bomb Helsinki and several other Finnish cities, starting the war.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I6038.php : accessed January 16, 2026), "Johannes Frederick ,"Johnny" (Johannes Frederick ,"Johnny") Dreyer b5c1d9e10f2g8 (1897-????)".
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