Harry Redknapp returns to the second tier of English football for the first time since late 2005 when he was with Southampton and he will look to get off to a good start at home to Wednesday.
Wigan are experiencing life outside the Premier League for the first time in eight years and they travel to South Yorkshire to face Barnsley.
The third relegated side from the Premier League - Reading - open at home to Ipswich Town.
Former Reading boss Brian McDermott has a tough opener as his Leeds side entertain Brighton & Hove Albion at Elland Road.
Middlesbrough start the season at home, but they too have a difficult looking clash as they welcome Leicester City to The Riverside.
Last season's losing play-off finalists Watford look to get their campaign off to a good start as they travel to Birmingham.
Of the newly-promoted sides, two have home games with Bournemouth welcoming Charlton to Dean Court, whilst Doncaster host Blackpool.
Yeovil Town begin life in the Championship with a trip to the capital against Millwall at The Den.
Nottingham Forest entertain Huddersfield Town at the City Ground, whilst the final two games are the Football League 125th anniversary fixtures announced on Tuesday as Derby entertain Blackburn and Burnley host Bolton.