J. J. Thomson, British physicist, known for british physicist, died on 1940-08-30. Sir Joseph John Thomson (18 December 1856 – 30 August 1940) was a British physicist. He received the 1906 Nobel Prize in Physics "in recognition of the great merits of his theoretical and experimental investigations on the conduction of electricity by gases." In 1897, he showed that cathode rays were composed of previously unknown negatively charged particles (now called electrons), which he calculated must have bodies much smaller than atoms and a very large charge-to-mass ratio.
J. J. Thomson dies
J. J. Thomson, British physicist, known for british physicist, died on 1940-08-30. Sir Joseph John Thomson (18 December 1856 – 30 August 1940) was a British physicist.
Historical Significance
J. J. Thomson is British physicist.
Key People
Events Before
Jim Bakker is born
Jim Bakker televangelist, known for american televangelist, was born on 1939-01-02. James Orsen Bakker is an American televangelist and convicted felon.
American future MLB catcher Roy Campanella (18) weds Bernice Ray; eventually divorce
American future MLB catcher Roy Campanella (18) weds Bernice Ray; eventually divorce
Adolf Hitler threatens Jews during his speech to the German Reichstag (Parliament)
Adolf Hitler (20 April 1889 – 30 April 1945) was an Austrian-born German politician who was the dictator of Germany during the Nazi era, which lasted from 1933 until his suicide in 1945.
American singer Frank Sinatra (23) marries 1st wife Nancy Barbato (21) at Our Lady of Sorrows catholic church in Jersey
American singer Frank Sinatra (23) marries 1st wife Nancy Barbato (21) at Our Lady of Sorrows catholic church in Jersey City, New Jersey; divorce in 1951
Mahatma Gandhi begins a fast in Bombay to protest against autocratic rule in India
Mahatma Gandhi begins a fast in Bombay to protest against autocratic rule in India
Events After
US President Franklin D. Roosevelt delivers his Four Freedoms speech during his State of the Union address, outlining fr
US President Franklin D. Roosevelt delivers his Four Freedoms speech during his State of the Union address, outlining freedom of speech and worship and freedom from want and fear [1] [2]
New Fourth Army Incident: Chinese Kuomintang forces under orders from Chiang Kai-shek fire on the surrounded Communist N
New Fourth Army Incident: Chinese Kuomintang forces under orders from Chiang Kai-shek fire on the surrounded Communist New Fourth Army at Maolin, Anhui Province, killing or capturing about 7,000 troops
Duke Ellington and his Orchestra first record "Take the 'A' Train" written by Billy Strayhorn, at RCA Studio in Hollywoo
Duke Ellington and his Orchestra first record "Take the 'A' Train" written by Billy Strayhorn, at RCA Studio in Hollywood, California; it goes on to become his signature tune
Future CIA Director William J. Casey (27) weds Sophia Kurz
Future CIA Director William J. Casey (27) weds Sophia Kurz
American Actress Hattie McDaniel (45) weds real estate salesman James Lloyd Crawford; divorced 1945
American Actress Hattie McDaniel (45) weds real estate salesman James Lloyd Crawford; divorced 1945
More from the 1940s
D-Day: The Normandy Landings
Allied forces launch the largest amphibious invasion in history on the beaches of Normandy, France, marking the beginning of the liberation of Western Europe from Nazi occupation.
wars conflicts
World War II: Representatives of 26 nations at war with the Axis powers sign the Declaration of the United Nations, pled
World War II: Representatives of 26 nations at war with the Axis powers sign the Declaration of the United Nations, pledging to make no separate peace deals
Mahatma Gandhi begins a march for peace in East Bengal
Mohandas Karamchand Gandhi (2 October 1869 – 30 January 1948) was an Indian lawyer, anti-colonial nationalist, and political thinker who employed nonviolent resistance to lead the successful campaign…
birth
Omar al-Bashir is born
Omar al-Bashir is born
Frequently Asked Questions
- What happened on August 30, 1940?
- J. J. Thomson, British physicist, known for british physicist, died on 1940-08-30.
- Why is J. J. Thomson dies significant?
- J. J. Thomson is British physicist.
- Who was involved in J. J. Thomson dies?
- Key figures include J. J. Thomson (physicist).