"A unique leader" BBC History "A unique leader" Oliver Cromwell "British History in depth: Oliver Cromwell" “British History in depth: Oliver Cromwell” "A unique leader" Oliver Cromwell Oliver Cromwell "A unique leader" "A unique leader" Cromwell 'Rump Parliament' BBC History BBC History "British History in depth: Oliver Cromwell" "Oliver Cromwell" "British History in depth: Oliver Cromwell"