Europe

• The second Battle of Roncevaux Pass is fought between the Basques
  Basque people
  The Basques as an ethnic group, primarily inhabit an area traditionally known as the Basque Country , a region that is located around the western end of the Pyrenees on the coast of the Bay of Biscay and straddles parts of north-central Spain and south-western France.The Basques are known in the...
  
   and the Franks
  Franks
  The Franks were a confederation of Germanic tribes first attested in the third century AD as living north and east of the Lower Rhine River. From the third to fifth centuries some Franks raided Roman territory while other Franks joined the Roman troops in Gaul. Only the Salian Franks formed a...
  
  .
• The Republic of Amalfi sends galleys to support the byzantine strategos
  Strategos
  Strategos, plural strategoi, is used in Greek to mean "general". In the Hellenistic and Byzantine Empires the term was also used to describe a military governor...
  
   of Sicily, Gregorio, against the Aghlabid
  Aghlabid
  The Aghlabids were a dynasty of emirs, members of the Arab tribe of Bani Tamim, who ruled Ifriqiya, nominally on behalf of the Abbasid Caliph, for about a century, until overthrown by the new power of the Fatimid.-History:...
  
   invaders. It is one of the earliest evidence of the independence of the city.

China

• The Chinese government takes over the issuing of paper bank drafts, the ancestor of paper money.

Deaths

• January 11 – Stauracius, Byzantine emperor
• Du You
  Du You
  Du You , courtesy name Junqing , formally Duke Anjian of Qi , was a Chinese scholar, historian and chancellor of the Tang Dynasty, who devoted thirty-six years to the compilation of the Tongdian, a historical encyclopedia with 200 sections , a collection of laws, regulations, and general events...
  
  , Chinese chancellor of the Tang Dynasty
  Tang Dynasty
  The Tang Dynasty was an imperial dynasty of China preceded by the Sui Dynasty and followed by the Five Dynasties and Ten Kingdoms Period. It was founded by the Li family, who seized power during the decline and collapse of the Sui Empire...
  
   (b. 735
  735
  Year 735 was a common year starting on Saturday of the Julian calendar. The denomination 735 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* A smallpox epidemic starts in Ancient Japan,...
  
  )