Complex sentence: The medal was formally approved by Pope Benedict XIV in 1741 and the Jubliee medal was struck in 1880, in remembrance of the 1400th anniversary of St. Benedict's birth.
Split into simpler sentences: The medal was formally approved by Pope Benedict XIV in 1741. The Jubliee medal was struck in 1880, in remembrance of the 1400th anniversary of St. Benedict's birth.