- First works created that would eventually be protected under a pseudo-perpetual copyright regime in the United States; see Sonny Bono Copyright Term Extension Act
- Change of US presidency from Warren G. Harding (1921-1923) to Calvin Coolidge (1923-1929)
- Republic of Turkey founded
- Physics - Robert Andrews Millikan
- Chemistry - Fritz Pregl
- Medicine - Frederick Grant Banting, John James Richard Macleod
- Literature - William Butler Yeats
- Peace - Not awarded.