After transferring to Göttingen around 1829 he had the opportunity of working in the same spirit. As confidant of the duke of Cambridge, he was allowed to take a share in framing the Hanoverian constitution of 1833, which remodelled the old aristocratic government in a direction which had become inevitable since the July revolution in Paris; and when in 1837 the new king Ernst August declared the constitution invalid, Dahlmann inspired the famous protest of the seven professors of Göttingen. Though deprived of his position and banished, he had the satisfaction of knowing that German national feeling received a boost from his courageous action, while public subscriptions saved him from poverty.
