Births on September 19

Albert IV, Duke of Austria (d. 1404)

Albert IV of Austria (19 September 1377 – 14 September 1404) was a Duke of Austria.

3 Feb

Cesena Bloodbath
More than 2,000 people of the Italian city of Cesena are killed by the Condottieri (papal armed forces) in the "Cesena Bloodbath".
22 May

Theology
Pope Gregory XI issues five papal bulls to denounce the doctrines of English theologian John Wycliffe.
2 Aug

Battle on Pyana River
Russian troops are defeated by forces of the Blue Horde Khan Arapsha in the Battle on Pyana River.