What is 1378?
{{Year nav|1378}} {{Year in various calendars|1378}} {{Year article header|1378}} == Events == * March – In [[England]], [[John Wycliffe]] tries to promote his ideas for Catholic reform by laying his theses before parliament and making them public in a [[tract]]. He is subsequently summoned before [[Archbishop of Canterbury]], [[Simon of Sudbury]], at the episcopal palace at [[Lambeth]] to defend his actions. * [[September 20]] – Unhappy with Pope Urban's critical attitude towards them, the majority of the cardinals meet at [[Fondi]] and elect [[Antipope Clement VII|Clement VII]] as [[antipope]] and establish a rival papal court at [[Avignon]]. This split within the Catholic Church becomes known as the [[Western Schism]]. === Undated === * [[Charles IV, Holy Roman Emperor|Holy Roman Emperor Charles IV]] meets with his nephew [[Charles V of France]] to publicly celebrate the friendship between their two nations. * [[Charles IV, Holy Roman Emperor|Holy Roman Emperor Charles IV]] dies and is succeeded by his son, [[Wenceslaus, King of the Romans|Wenceslaus]]. * The Papacy makes a permanent move back from [[Avignon]] to [[Rome]], ending the [[Avignon Papacy]]. * [[Pope Gregory XI]] dies. Due to riots in [[Rome]] calling for a Roman pope, the cardinals, who were mostly French, elect [[Pope Urban VI]] (Bartolomeo Prignano, Archbishop of [[Bari]]) as the 202nd [[Pope]]. * [[France]], [[Aragon]], [[Castile and León]], [[Cyprus]], [[Burgundy]], [[Savoy]], [[Naples]] and [[Scotland]] choose to recognise [[Antipope Clement VII]]. [[Denmark]], [[England]], [[Flanders]], the [[Holy Roman Empire]], [[Hungary]], northern [[Italy]], [[Ireland]], [[Norway]], [[Poland]] and [[Sweden]] continue to recognise [[Pope Urban VI]]. * [[Dmitri Donskoi|Dmitri Donskoi of Moscow & Vladimir]] resists a small invasion by the [[Mongol]] [[Blue Horde]]. * [[Ciompi|Revolt of the Ciompi]] – discontent wool carders briefly take over the government of [[Florence]]. For the first time, a European government represents all social classes. * [[Tokhtam