'Ask your father,' Enoch returns. 'I am still endeavouring to answer the question of when exactly. Ben is correct. I couldn't have been so rash as to make the attempt before, let us say, 1652; for, regicide notwithstanding, the Civil War did not really wind up for another couple of years. Cromwell smashed the Royalists for the umpteenth and final time at Worcester. Charles the Second ran off to Paris with as many of his noble supporters as had not been slain yet. Come to think of it, I saw him, and them, at Paris.'