The French mounted 40 gun batteries that over the next seven months fired some 20,000 explosive shells and 60,000 cannonballs into the city. In August, the French captured the castle of Montjuïc, the main defensive point.
The French deployed 40 artillery batteries over the next seven months, firing approximately 20,000 explosive shells and 60,000 cannonballs into the city. In August, the French captured Montjuïc Castle, the primary defensive stronghold.