Events

• End of the reign of Emperor Suko of Japan, third of the Northern Ashikaga Pretenders
• Start of the reign of Emperor Go-Kogon of Japan, fourth of the Northern Ashikaga Pretenders
• May 1 Zürich joins the Swiss Confederation.
• King Ramathibodi I ascends the throne in Ayutthaya (now Thailand). He beings to propagate Theravada Buddhism as the state religion.
• King Gongmin ascends the throne in Goryeo.
• Battle of the Thirty
• Statute of Laborers
• First mention of Vantaa
• The Black Death ravages Europe (1347-1351)
• Firuz Tughlaq succeeds Mohammad Tughlaq as Sultan of Delhi

Births

• November 1 - Duke Leopold III of Austria
• Giangaleazzo Visconti, first Duke of Milan
• Edmund Mortimer, 3rd Earl of March

Deaths

• Heinrich IV Dusener von Arfberg , Grand Masters (Hochmeister) of the Teutonic Knights
• Muhammed Tughlaq, Sultan of Delhi (illness while campaiging)