Complex sentence: Finally, in 1758 a request was submitted for a "Maestranza of Palma de Mallorca"; the request was approved, and the henceforth guild governed itself with its own bylaws.
Split into simpler sentences: Finally, in 1758 a request was submitted for a "Maestranza of Palma de Mallorca". The request was approved, and the henceforth guild has governed itself with its own bylaws.