 Robert Witham, an 18th-century Catholic commentator, offers a preterist view for the period that spans the length of the opening of the seals; it being the period from Christ to the establishment of the Church under Constantine in 325.Johann Jakob Wettstein (18th century) places the date of the "Apocalypse" as written before A. D. 70.He assumed that the first part of the Book was in respect to Judea and the Jews, and the second part about the Roman Empire.