Get ready for the Great Communion of 2009 – the Bicentennial of the document that is regarded by many as the foundation of the Restoration Movement (Thomas Campbell’s Declaration and Address. It is also the centennial of the split in the movement that became formal when the US Census of 1909 listed Churches of Christ and the Christian Church as separate denominations. The approaching bicentenary is providing an urgent incentive in dialogue between representatives of the three streams in the USA for next year’s celebrations. A visit today to the Historical Society of Disciples of Christ opened access to a rich resource for research and study.