The Hannover Club or Hanover Club was a political society in the Kingdom of Great Britain

Kingdom of Great Britain

The former Kingdom of Great Britain, sometimes described as the 'United Kingdom of Great Britain', That the Two Kingdoms of Scotland and England, shall upon the 1st May next ensuing the date hereof, and forever after, be United into One Kingdom by the Name of GREAT BRITAIN. was a sovereign...

 active during the early 18th century. They were committed to the succession of King George of Hannover to the British throne, rather than the rival claimant James III known as the 'Old Pretender'. It was made up of supporters of the Whig

British Whig Party

The Whigs were a party in the Parliament of England, Parliament of Great Britain, and Parliament of the United Kingdom, who contested power with the rival Tories from the 1680s to the 1850s. The Whigs' origin lay in constitutional monarchism and opposition to absolute rule...

 faction.

Less well known than the more celebrated Kit Kat Club, with whom they shared many beliefs and members, the group was arguablly more important and powerful in pushing for the Hannoverian Succession and proved invaluable to George following the death of Queene Anne in 1714, and the year of turmoil that followed.

Future Whig Prime Minister the Duke of Newcastle

Duke of Newcastle

Duke of Newcastle-upon-Tyne is a title which has been created three times in British history while the title of Duke of Newcastle-under-Lyne has been created once. The title was created for the first time in the Peerage of England in 1664 when William Cavendish, 1st Marquess of Newcastle-upon-Tyne...

was a member of the club.