1989 (MCMLXXXIX) was a common year starting on Sunday of the Gregorian calendar, the 1989th year of the Common Era (CE) and Anno Domini (AD) designations, the 989th year of the 2nd millennium, the 89th year of the 20th century, and the 10th and last year of the 1980s decade.

1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar, the 1988th year of the Common Era (CE) and Anno Domini (AD) designations, the 988th year of the 2nd millennium, the 88th year of the 20th century, and the 9th year of the 1980s decade.