This Day...
May 15
| May 15, 1978 | Styx | Concert | London, UK | Hammersmith Odeon |
| May 15, 1983 | Styx | Concert | Cedar Falls, IA | Univ. of Northern Iowa Unidome |
| May 15, 2001 | Styx | Concert | Omaha, NE | Omaha Civic Auditorium |
| May 15, 2003 | Styx | Concert | Fresno, CA | Selland Arena |
| May 15, 2004 | Styx | Concert | The Woodlands, TX | Woodlands Pavilion |
| May 15, 2005 | Styx | Concert | Myrtle Beach, SC | House of Blues |
| May 15, 2009 | Styx | Concert | Phoenix, AZ | Dodge Theatre |
| May 15, 2010 | Styx | Concert | The Woodlands, TX | Cynthia Woods Mitchell Pavilion |