Tony Blair general election defeats) the Labour Party had to demonstrate that it had made a decisive break from its left-wing past, in order to win an election again. In May 1997, the Labour Party won a landslide general election victory, the largest in its history. Blair, at 43 years of age, became the youngest Prime Minister since 1812. In September 1997, Blair attained early personal popularity, receiving a 93% public approval rating, after his public response to the death of Diana, Princess of Wales. The Labour Party went on to win two more general elections under his leadership: in 2001, in
Tony Blair and, more controversially, the 2003 invasion of Iraq. Blair has faced criticism for his role in the invasion of Iraq, including calls for having him tried for war crimes and waging a war of aggression; in 2016, the Iraq Inquiry criticised his actions and described the invasion as unjustified and unnecessary. Blair was succeeded as Leader of the Labour Party and as Prime Minister by Gordon Brown in June 2007. On the day that Blair resigned as Prime Minister, he was appointed the official Special Envoy of the Quartet on the Middle East, an office which he held until May