Complex sentence: He dabbled in forgery in an effort to clear his debts, was caught, convicted, and, despite a public campaign for a Royal pardon, became the last person to be hanged at Tyburn for forgery.
Split into simpler sentences: He dabbled in forgery in an effort to clear his debts, was caught and convicted, and was sentenced to be hanged. Despite a public campaign for a Royal pardon, he became the last person to be hanged at Tyburn for forgery.