Complex sentence: Celebrations for the Bicentennial started early in the year and are expected to continue the whole 2010, but not being related solely to the May Revolution but also to many things related with the history and culture of Argentina.
Split into simpler sentences: Celebrations for the Bicentennial started early in the year and are expected to continue through 2010. These events are not related solely to the May Revolution; but also to many factors related to the history and culture of Argentina.