In the year 1378, a contest arose between two popes, Urban VI.
In the fourteenth century the number of cardinals was fixed by Urban VI.
When, in consequence of a division among the cardinals, two rival popes were elected, Urban VI.
Urban VI was as blind to cautious temporal as to cautious ecclesiastical policy.
The great schism, which was to endure fifty years, broke out soon after the election of his successor, Urban VI.
In 1378 a battle took place here between the partisans of Urban VI.