Caliph al - Ma’mūn (813 - 833 C.E.) followed his lead, giving impetus to a Greco - Arabic translation movement that lasted for more than two centuries.
Khalifah al - Makmun (813 - 833 M) juga berikhtiar mendorong kegiatan penerjemahan Yunani - Arab yang bertahan selama lebih dari dua abad.