1970s 1980s 1990s 2000s
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
The 1990s is the decade starting January 1, 1991, and ending December 31, 2000.
In BBS history, the 1990s were the years of the peak in the number of available BBSes.