After blockading the straits for the winter, the Venetians, with Maurix & the Byzantine fleet, defeated Guiscard's ships

Summary:
[First discussed out of chronological order by Anna Komnene.] Guiscard was determined to fight on despite reverses. But his army was cut off all winter by the Venetian and Byzantine fleets from reinforcements and supplies from Italy. Then his navy was defeated in a sea-battle 
Dates:
1085 Spring 
Anna Komnene, daughter of Alexios I and historian (Anna 62)
  • Just before the end of the war against Robert 61, she included some details of the commercial privileges extended to Venice; these are better dated to 1082 or (more likely) 1092 (:) Anna Komnene 124.38-126.84
Michael Maurix (Maurikas) (Michael 10108)
  • He with the Venetian fleet blockaded the straits between Italy and the coast of Epiros, preventing the arrival of reinforcements and supplies for the army of Robert 61; then they defeated the Norman fleet in battle (:) Anna Komnene 124.39-47
Robert Guiscard (Robert 61)
  • Resolving to fight in spite of reverses, he suffered the cutting off of his troops all winter from Italian reinforcements and supplies by the Venetians and Michael 10108 with the Byzantine fleet; then he lost a sea-battle (:) Anna Komnene 124.38-47