Former shadow justice secretary Sadiq Khan is selected as Labour's candidate for the London mayoral elections in 2016, the day before the party unveils its new leader.
Jeremy Corbyn takes steps that would massively solidify his position as leader and protect him against any coup attempts.
Labour extends the deadline for people to register to vote in its leadership election after the party's website crashed.
Despite a commitment to women's rights from the outset, the Labour party has yet to have a female leader. Could that be about to change?
Will the unions decide the next Labour leader? Possibly - but most did not see a leadership contest coming and are scrambling to get organised.
As Labour leader Ed Miliband resigns after a crushing defeat in the general election, there are several likely successors, including Andy Burnham, Yvette Cooper and Chuka Umunna.