Coat of arms of the City of London 13th-century seal, and on two embroidered seal-bags of 1319, that depicted St Paul holding a sword. It is sometimes said that the sword in the 1381 arms represents the dagger used by Lord Mayor of London William Walworth to kill Wat Tyler, leader of the Peasants' Revolt, on 15 June 1381. This tradition dates at least as far back as the first edition of "Holinshed's Chronicles", published in 1577, but cannot be correct, as the arms were in use some months before Tyler's death. The crest and supporters came into use in the 17th century, but were used without authority
Peasants' Revolt hated legal system centred in London. As the historian Miri Rubin describes, for many, "the problem was not the country's laws, but those charged with applying and safeguarding them". Concerns were raised about these changes in society. William Langland wrote the poem "Piers Plowman" in the years before 1380, praising peasants who respected the law and worked hard for their lords, but complaining about greedy, travelling labourers demanding higher wages. The poet John Gower feared England might see an uprising similar to the French Jacquerie revolt of 1358, in which the peasants had risen up against their masters. There was