YearrooWhen did the first nuclear reactor start up in Chicago?
194220th century · 1900s
The first nuclear reactor starts up in Chicago.
Under the stands of a football field at the University of Chicago.
1942
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Around the same time
- When was Mount Rushmore completed?1941
- When did Japan attack Pearl Harbor?1941
- When did Joe DiMaggio hit in 56 straight games?1941
- When were M&M's first sold?1941
- When did the Manhattan Project begin?1942
- When was the Battle of Midway?1942
- When was Casablanca released?1942
- When was the Pentagon completed?1943
Some events played out over months or years, so we use the year they are best known for. Spotted a mistake? Email [email protected].