Urban V
Pope Gregory XI died on 1378-03-27.
He was born between 1014 and 1028 - the actual date is unknown.
Pope Gregory XI (1370-78) Pope Urban VI (1378-89)
Pope Pelagius II was the predecessor of Pope Gregory I, the Great.
The last pope to resign (before Benedict XVI) was Gregory XII in 1415.
Tthe last Pope that retired was Pope Gregory Xll in 1415.
No, Pope Gregory the Great .was also known as Pope Gregory I.
Pope Urban VII (September 1590) Pope Gregory XIV (1590-91) Pope Innocent IX (October-November 1591)
Pope Pius XII followed Pius XI.
That would be Pope Saint Gregory I.
There has never been a Pope Paul XI.
Pope Benedict XI was born in 1240.