Timeline This Day In History Milestones This Day In History Milestones May 21 Select Date Month: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Moment of Truth World Tour 1988-05-21 1988 | 37 Years ago I’m Your Baby Tonight World Tour 1991-05-21 1991 | 34 Years ago Pacific Rim Tour 1997-05-21 1997 | 28 Years ago