The name Ahasuerus is applied to a Babylonian official to a book of scripture that was first pronounced canonical at what council?
Ahasuerus Ahasuerus (; Greek: Ασουηρος , "Asouēros " in the Septuagint; or Latin: "Assuerus" in the Vulgate; commonly transliterated "Achashverosh"; cf. Old Persian: 𐎧𐏁𐎹𐎠𐎼𐏁𐎠 "Xšayārša"; Persianخشورش‎ ‎ "Axšoreš;" Ancient Greek: Ξέρξης  "Xerxes" ) is a name used several times in the Hebrew Bible, as well as related legends and Apocrypha. This name (or title) is applied in the Hebrew Scriptures to three rulers. The same name is also applied uncertainly to a Babylonian official (or Median king) noted in the Book of Tobit.
Pastor aeternus Pastor aeternus is the Dogmatic Constitution on the Church of Christ, issued by the First Vatican Council, July 18, 1870. The document defines four doctrines of the Catholic faith: the apostolic primacy conferred on Peter, the perpetuity of the Petrine Primacy in the Roman pontiffs, the meaning and power of the papal primacy, and Papal infallibility – infallible teaching authority (magisterium) of the Pope.