1989 was a year in the 20th century.
- The Back to the Future Part II novelization was published.
- The videogame Back to the Future was released for the NES.
- Sunday, February 5: Bakku tou za fuyucha, the Japanese dubbed version of Back to the Future, premiered in Japan on TV Asahi.
- Saturday, June 3: Ayatollah Khomeini passes away.
- Wednesday, November 22: Back to the Future Part II was released in theaters in the United States.
- 'Monday, December 25: Back to the Future Part II released on VHS & Laserdisc.
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