CREATE TABLE table_20892 ("Archbishop" TEXT, "Born" TEXT, "Ordained Priest" TEXT, "Ordained Bishop" TEXT, "Appointed Archbishop" TEXT, "Vacated throne" TEXT, "Died" TEXT)

When was the archbishop who vacated the throne on August 18, 1885 ordained as a priest?
SELECT "Ordained Priest" FROM table_20892 WHERE "Vacated throne" = 'August 18, 1885'
SELECT "Ordained Priest" FROM "table_20892" WHERE "Vacated throne" = 'August 18, 1885'