1980-2001 Timeline By Hayden2023 Period: Jan 20, 1981 to Jan 20, 1989 Reagan Presidency Sep 25, 1981 Sandra Day O'Connor becomes a SCOTUS Justice Jan 1, 1984 NAFTA Agreement Implemented Jan 28, 1986 Challenger Explosion 1988 Invasion of Nicaragua Period: Jan 20, 1989 to Jan 20, 1993 George H W Bush Presidency Period: Jan 20, 1993 to Jan 20, 2001 Clinton Presidency Period: Jan 20, 2001 to Jan 20, 2009 George W Bush Presidency Sep 11, 2001 Twin Towers Destroyed Sep 11, 2001 War on Terror Begins Sep 11, 2001 Pentagon Damaged