An alternative vision for British society and a smart move on Brexit made this leader's speech one for the history books.
Tim Bale reports from the seafront in Brighton, where Labour is holding its annual conference.
The Conservatives are in disarray, but they seem to be clinging on regardless. The question is how to unseat them next time.
Winning over urban areas is the surest route to success for Jeremy Corbyn.
The Labour leader has hit his stride during 2017, but Brexit remains a strategic challenge.