This Day...
May 21
| May 21, 1983 | Styx | Concert | St. Paul, MN | St Paul Civic Center |
| May 21, 1996 | Styx | Concert | Cedar Rapids, IA | Five Seasons |
| May 21, 2000 | Styx | Concert | Dallas, TX | Starplex Amphitheatre |
| May 21, 2003 | Styx | Concert | Hollywood, CA | Tower Records |
| May 21, 2004 | Styx | Concert | Universal City, CA | Universal Amphitheatre |
| May 21, 2005 | Styx | Concert | Peachtree City, GA | Frederick Brown, Jr. Amphitheater |
| May 21, 2009 | Styx | Concert | Ontario, CA | Citizens Business Bank Arena |
| May 21, 2010 | Styx | Concert | Phoenix, AZ | Dodge Theatre |
| May 21, 2011 | Styx | Concert | Camp Verde, AZ | Cliff Castle Casino |