Complex sentence: Inglis, Simon (1997), p.72 Several months behind schedule, the almost-complete stadium opened with a friendly against Blackburn Rovers on 17 April 1897, one week after Aston Villa had completed the League and FA Cup'Double'.
Split into simpler sentences: Inglis, Simon (1997), p.72 Several months behind schedule, the almost-complete stadium opened on 17 April 1897. The first match at the ground, a friendly against Blackburn Rovers, took place on 17 April 1897, one week after Aston Villa had completed the League and FA Cup'Double'.