For Christians in Manchester, there's plenty to celebrate this year as institutions across the city mark milestone moments in their history. Katherine Jenkins is at Manchester Cathedral to find out about a 600-year royal charter and to explore the building's long past and its place in the city.In MediaCity, the Rev Kate Bottley meets Paul Kerensa, who has written a book about the BBC's 100 years of public broadcasting and tells the story of the corporation's first director general John Reith's spiritual inspiration and mission to produce faith programmes.Kate also joins the bishop of Salford in his back garden to discuss the 60th anniversary of the Catholic Agency for Overseas Development (CAFOD) and witness how their international work is being brought back to the diocese.Music comes from Manchester Cathedral and the local area.