Complex sentence: Since then, XM655 has made a more or less annual public taxi run as part of the Wellesbourne wings and wheels show, there were two runs in 1999, and 2007 show was cancelled.
Split into simpler sentences: Since then, XM655 has made a more or less annual public taxi run as part of the Wellesbourne Wings and Wheels show. There were two runs in 1999, and the 2007 show was cancelled.