There have been 11 papal resignations, or assumed resignations. For a complet list along with explanations, click on this link.
Yes, a number of popes have resigned throughout history. The most recent was Pope Benedict XVI in February of 2013.
Pope Benedict XVI who resigned in 2013 and Pope Francis who was elected that year.
Nearly all popes die during their papacy since the position is for life. A few, very few, have resigned but the vast majority died in office.
While there have been a number of truly bad popes who were vile and disgusting, none of them would be classified as being heretics. None of the bad popes ever taught anything contrary to the doctrines of the Catholic Church.
196 popes have come from Italy.
217 popes have been born in Italy.
There have been no popes named Kenneth.
There have been no popes named Jude.
Pope Paul VI died in 1978Pope John Paul I died in 1978Pope John Paul II died in 2005Pope Benedict XVI resigned in 2013Pope Francis elected in 2013
I am sure there are many popes in Heaven but am equally sure that there are a number of popes burning in hell.
There were 38 popes before Anastasius I.
There have been 8 popes called Urban.
There have been 6 popes named Sixtus.