1378

Year 1378 was a (link will display the full calendar) of the.

Events

 * March - In, tries to promote his ideas for Catholic reform by laying his theses before parliament and making them public in a . He is subsequently summoned before , , at the episcopal palace at  to defend his actions.
 * meets with his nephew to publicly celebrate the friendship between their two nations.
 * dies and is succeeded by his son,.
 * The Papacy makes a permanent move back from to, ending the.
 * dies. Due to riots in calling for a Roman pope, the cardinals, who were mostly French, elect  (Bartolomeo Prignano, Archbishop of ) as the 202nd.
 * - Unhappy with Pope Urban's critical attitude towards them, the majority of the cardinals meet at and elect  as  and establish a rival papal court at . This split within the Catholic Church becomes known as the.
 * ,, , , , , and  choose to recognise . , , , the , , northern , , ,  and  continue to recognise.
 * resists a small invasion by the.
 * - discontent wool carders briefly take over the government of . For the first time, a European government represents all social classes.
 * dethrones Timur Malik as Khan of the.
 * establishes the at  in present-day southeast.
 * The capture the town of  in west.
 * An English spy assassinates, claimant to the throne of and ally of.
 * succeeds his father,, as ruler of.
 * succeeds his father,, as ruler of the in.
 * succeeds his father,, as ruler of (now ).
 * Tai Bian succeeds Zhao Bing Fa as King of (now northern ).
 * Appearance of.
 * Da'ud Shah succeeds his assassinated nephew, Aladdin Mujahid Shah, as in present-day southern . Da'ud Shah is assassinated in the same year and is succeeded by Mohammed Shah II.

Births

 * - of China (died )
 * - (died )
 * - (died )
 * , Flemish painter (died )
 * , Italian humanist (died )
 * , Italian sculptor and metal smith (died )
 * , English chronicler (died )

Deaths

 * -, queen of (born )
 * - King (born )
 * July -, titular Prince of - assassinated (born circa )
 * -, patron saint of pestilence (born )
 * - (born )
 * , Lord of Milan
 * , Lord of Milan