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.

1987 (MCMLXXXVII) was a common year starting on Thursday of the Gregorian calendar, the 1987th year of the Common Era (CE) and Anno Domini (AD) designations, the 987th year of the 2nd millennium, the 87th year of the 20th century, and the 8th year of the 1980s decade.