Complex sentence: The 2003--04 season was the 126th season in Bolton Wanderers F.C. 's existence, and was their 3rd consecutive year in the top-flight, and covers the period from 1 July 2003 to 30 June 2004.
Split into simpler sentences: The 2003--04 season was the 126th season in Bolton Wanderers F.C. 's existence, and was their third consecutive year in the top-flight. This article covers the period from 1 July 2003 to 30 June 2004.