Of all the events of Medieval London that seemingly came out of nowhere and impacted upon the city, few matched the sudden ferocity and violence of the ‘Peasants Revolt’ of 1381. From Essex and Kent, two vast hordes of rural workers suddenly appeared at the edge of the city, demanding to se the king and leaving in the wake a score of burned houses, and murder and mutilation. But what had triggered this? And what did the events in the weeks before herald for our city?