1988
1990
The Number 1989: Properties and Meanings
Prime Factors of 1989=3x3x13x17.
The Year 1989 AD
In the year 1989 AD there was a very rare conjunction of Saturn & Neptune
In the year 1989 AD there was a conjunction of Venus & Uranus and exact alignment of Pluto, Mercury and the Sun.
In the year 1989 AD high-definition television was invented.
In the year 1989 AD Voudon Gnostic Workbook by Michael Bertiaux was published.(Esoteric History)
1988
1990