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.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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.
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.
January 13 » The Black Friday bushfires burn 20,000 square kilometers of land in Australia, claiming the lives of 71 people.
January 14 » Norway claims Queen Maud Land in Antarctica.
May 21 » The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
June 4 » The Holocaust: The MSSt. Louis, a ship carrying 963 Jewish refugees, is denied permission to land in Florida, in the United States, after already being turned away from Cuba. Forced to return to Europe, more than 200 of its passengers later die in Nazi concentration camps.
September 6 » World War II: Britain suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.
December 22 » Indian Muslims observe a "Day of Deliverance" to celebrate the resignations of members of the Indian National Congress over their not having been consulted over the decision to enter World War II with the United Kingdom.
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 19, 2026), "Johannes Frederick ,"Johnny" (Johannes Frederick ,"Johnny") Dreyer b5c1d9e10f2g8 (1897-????)".
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