Complex sentence: In Malaga Ferdinand armed a fleet of 50 vessels carrying 1,200 horses and 8,000 infantry, under the command of Gonzalo de Cordoba and sent it to support the Venetians in their battles against the Turks and returned after the campaign around 1500-1501 to Sicily.
Split into simpler sentences: In Malaga Ferdinand armed a fleet of 50 vessels carrying 1,200 horses and 8,000 infantry under the command of Gonzalo de Córdoba. These forces sailed to support the Venetians in the battles against the Turks, then returned after the campaign around 1500-1501 to Sicily.