However, in an apparent reference to the disastrous Darien Scheme, he added: "But you must remember that the Union saved Scotland. Scotland was bankrupt and the English opened us up to their American and Canadian markets, from which we just flowered."
The Darien project was an unsuccessful attempt by Scotland to become a world power by establishing a colony on the Isthmus of Panama in the late 1690s. Its failure a few years later left noblemen and landowners in Scotland all but ruined and was said to have hastened the Act of Union in 1707 that Alex Salmond wants to tear up.
Connolly, 71, spends most of his time in the US, but has a mansion in Aberdeenshire. He said earlier this year that he did not intend to vote in the independence referendum on September 18, describing the debate as a "morass that I care not to dip my toe into".