Midnight, Sunday, June 18, 1815. Britain holds its breath. Since Napoleon s escape from Elba in February, Europe has been jolted from eleven months of peace back into the frenzied panic of a war it believed had ended. The whole complexion of the world is changed again, writes George Ticknor, then a young American lawyer in Britain for the first time. God only can forsee the consequences. The nation is awash in reports and rumors. The Battle of Waterloo...