Pluto discovered
1930 · Event
Clyde Tombaugh finds Pluto, hailed for 76 years as the ninth planet before its 2006 reclassification.
On these timelines: Master, Arts and Thoughts, USA
Around 1930
- Founding of the Soviet Union (1922)
- Hitler becomes Chancellor of Germany (1933)
- Pop music: the 1920s (1920)
- Pop music: the 1930s (1930)
- Pop music: the 1940s (1940)
- Great Depression (1929)
- Discovery of penicillin (1928)
- Wall Street Crash (1929)
- German invasion of Poland (1939)
- Presidency of Franklin D. Roosevelt (1933)