Pope Leo IX died on April 19, 1054 at the age of 51.
Pope Leo IX was born on June 21, 1002.
Pope Leo IX was born on June 21, 1002.
Pope Benedict IX
Pope Leo IX was born on June 21, 1002 and died on April 19, 1054. Pope Leo IX would have been 51 years old at the time of death or 1013 years old today.
Pope Leo IX died on April 19, 1054 at the age of 51.
Pope Saint Leo IX who reigned from 1049 to 1054.
Pope John IX died in 900.
Born June 21, 1002, Died April 19, 1054, at the age of 51
Pope Innocent IX died on 1591-12-30.
Pope John IX of Alexandria died in 1327.
Pope Stephen IX died on 1058-03-29.
If the place is Constantinople then the answer is: because he wouldn't recognize his authority as a pope.