What British Prime Minister committed the British Conservative Party to supporting Scottish devolution through the Declaration of Perth?
Declaration of Perth The Declaration of Perth was a statement made by British Conservative Party leader Edward Heath on 18 May 1968, at the party conference in Perth, Scotland, which committed the party to supporting some form of Scottish devolution.
Archibald Sinclair, 1st Viscount Thurso Archibald Henry Macdonald Sinclair, 1st Viscount Thurso, {'1': ", '2': ", '3': ", '4': "} (22 October 1890 – 15 June 1970), known as Sir Archibald Sinclair, Bt, between 1912 and 1952, and often as Archie Sinclair, was a British politician and leader of the Liberal Party.