1984 (MCMLXXXIV) was a leap year starting on Sunday.

Date Event(s)
Unknown date The Intertidal Zone was drawn by Stephen Hillenburg.
June 26 Birth of Aubrey Plaza, the voice of Nocturna.
September 27 Birth of Avril Lavigne.
November 22 Birth of Scarlett Johansson, the voice of Princess Mindy.
December 30 Birth of LeBron James, guest star in "Truth or Square."
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