Complex sentence: In 2006, due to its important historical significance, Ferrara became the headquarters of the Italian Hermitage Museum, as the result be the fifth city in the world to have linked his name with the Russian museum.
Split into simpler sentences: In 2006, due to its important historical significance, Ferrara became the headquarters of the Italian Hermitage Museum. It is the fifth city in the world to have been linked with the Russian museum.