However, because Mercator had included in his book Luther’s protest against indulgences in 1517, Chronologia was put on the Catholic Church’s index of prohibited books.
Namun, karena dalam bukunya itu Mercator mencantumkan protes Luther atas indulgensi pada tahun 1517, Chronologia pun dimasukkan dalam daftar buku - buku terlarang Gereja Katolik.