Re: General Sir Michael Rose calls for Tony Blair's Impeachment
History is not my strong point but I am sure that a British politician called Warren Hastings was 'impeached' something to do with alleged misconduct (of an administrative kind!) in India SFAIK.
Quote here from a legal book sale site
"Trials, especially of the famous or infamous, from the 18th and 19th centuries such as Warren Hastings’ impeachment, are keenly sought after, commanding prices from £100-£500."