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 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
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.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage July 6, 1922
The temperature on July 6, 1922 was between 11.1 °C and 20.3 °C and averaged 16.4 °C. There was 10.8 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
May 30 » The Lincoln Memorial is dedicated in Washington, D.C..
June 1 » The Royal Ulster Constabulary is founded.
June 17 » Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic.
August 26 » Greco-Turkish War (1919–22): Turkish army launched what has come to be known to the Turks as the "Great Offensive" (Büyük Taarruz). The major Greek defense positions were overrun.
August 30 » Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence").
Day of death September 12, 1933
The temperature on September 12, 1933 was between 9.5 °C and 21.0 °C and averaged 15.4 °C. There was 4.7 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
March 4 » Frances Perkins becomes United States Secretary of Labor, the first female member of the United States Cabinet.
March 4 » Franklin D. Roosevelt becomes the 32nd President of the United States.
March 6 » Great Depression: President Franklin D. Roosevelt declares a "bank holiday", closing all U.S. banks and freezing all financial transactions.
March 12 » Great Depression: Franklin D. Roosevelt addresses the nation for the first time as President of the United States. This is also the first of his "fireside chats".
April 24 » Nazi Germany begins its persecution of Jehovah's Witnesses by shutting down the Watch Tower Society office in Magdeburg.
When copying data from this family tree, please include a reference to the origin: Lucien Stern, "Stern-NL", database, Genealogy Online (https://www.genealogieonline.nl/stern-nl/I8902.php : accessed February 2, 2026), "Dorothea Johanna Clasina Drulman (1897-1933)".
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