The eventful Avignon Papacy included three different popes ruling at the same time and an Irish king complaining about the ...

After the death of Gregory XI in 1378, the cardinals elected Pope Urban VI but soon regretted it. A few months later, they deposed him and elected a new pope. Catholics now had two popes ...

Under the new rules, the role of the cardinals was strictly limited to electing the next pope. But this did not prevent them from continuing their scheming. At the death of Gregory XI in 1378 ...

In the 1370s, Pope Gregory XI offered the nuns and their donors a plenary indulgence, a forgiveness of sins. They followed a rule emphasizing that regardless of their pasts, abstinence and ...

March 27 – The death of Pope Gregory XI leads to a crisis. The election of Pope Urban VI is disputed, and a faction of cardinals elects Antipope Clement VII, triggering the Western Schism ...

It was introduced into the Roman Catholic Church in the 15th century by Pope Gregory XI, then removed from the calendar by Pope Pius V in the mid 16th century. Pope Sixtus V later reestablished ...

Pope Gregory XI had then moved the Papacy back to Rome in 1377, and upon his death controversy arose as to the next Pope. The ...