At the Battle of Waterloo Sir William Ponsonby, a man who the Duke of Wellington stated had 'rendered very brilliant and important services and was an ornament to his profession', was killed by French lancers after leading the Union Brigade (the three Dragoon Regiments of the Royals, Iniskillings and Scots Greys) in a charge that wrecked a French advance that threatened Wellington with defeat. Sir William was a career soldier who had led his regiment...