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.
Over a period of seven months, the French deployed 40 artillery batteries that bombarded the city with 20,000 explosive shells and 60,000 cannonballs.  In August, they captured Montjuïc Castle, the main defensive position.