History of the Republic of Venice of the Sea" ceremony was established in this period. Orseolo died in 1008. Venice's control over the Adriatic was strengthened by an expedition by Pietro's son Ottone in 1017, by which time Venice had assumed a key role in balancing power between the Byzantine and Holy Roman Empires. During the long Investiture Controversy, an 11th-century dispute between Henry IV, Holy Roman Emperor and Pope Gregory VII over who would control appointments of church officials, Venice remained neutral, and this caused some attrition of support from the Popes. Doge Domenico Selvo intervened in the war between the Normans of Apulia and
Gulf of Squillace Gulf of Squillace The Gulf of Squillace (; Latin: Scylleticus Sinus or Scyllaceus Sinus; Greek: ) is a body of water, an inlet of the Ionian Sea along the Calabrian coast of Italy. The gulf, renowned for its natural beauty, is part of the Ionian Sea and makes up part of the east coast of the region of Calabria. It takes its present-day name from the coastal town of Squillace. Anciently known as Scylleticus Sinus, from the ancient coastal city of Scylletium, which Strabo mentions is situated on the east coast of Bruttium (modern Calabria), situated on the shores of