sentences:  The need for unity was underlined during the Napoleonic wars, when the leaders of the Ancients, Moderns, and the Grand Lodge of Scotland acted together to prevent their lodges becoming proscribed organisations.However, the actual process of unification did not start until 1811, when the Moderns started the administrative process of returning their ritual to a form acceptable to the other British Grand Lodges.The final union was in the hands of two sons of the King, the Duke of Sussex, the Grand Master of the Moderns, and the Duke of Kent.