The 20th century, the period between the years 1901 and 2000 of the Gregorian calendar

20th Century Fox

20th Century Limited, a passenger train between Chicago and New York City that operated from 1902 to 1967

The 20th century BC

Twentieth Century (film), a 1934 film

Twentieth Century (play), a 1932 play

20th Century (cocktail), a cocktail

Twentieth Century (typeface), a geometric sans-serif typeface.