What is the Chinese sign for 1989?

If you are referring to the Chinese zodiac:

If you are born between February 6th, 1989 to January 26th, 1990, then you are born in the year of the snake. If you are born between February 17th, 1988 to February 5th, 1989, then you are born in the year of the dragon.

If you are referring to how to write the numbers in Chinese:

一九八九 = 1989

一九八九年 = The year of 1989

一 = 1

九 = 9

八 = 8

年 = year