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
Northern Gulf Institute Northern Gulf Institute The Northern Gulf Institute (NGI) is a National Oceanic and Atmospheric Administration (NOAA) Cooperative Institute started in October 2006. It is one of 16 NOAA Cooperative Institutes (CIs). The NGI is a partnership of five academic institutions and NOAA. The collaboration led by Mississippi State University (MSU), includes the University of Southern Mississippi (USM), Louisiana State University (LSU), Florida State University (FSU), and the Dauphin Island Sea Lab (DISL). The NGI defines the Northern Gulf of Mexico region as the upland, watershed, coastal zone, and coastal ocean areas from the Sabine River in Louisiana east to the