The cathedral is built between 1127 and 1161 on the foundation of a basilica dating to the 9th century.
The cathedral is dedicated to Saint Jean.
One of the most famous elements is the astronomical clock inside the cathedral, built in the 19th century.
This intricate mechanism includes over 30,000 parts, tracking time, tides, eclipses, and liturgical calendars.
The archdeacon of Ferry Carondelet.
Ferry Carondelet is known as a major benefactor of the Montbenoît abbey and the cathedral in Besançon.
He commissioned the Italian painter Fra Bartolomeo to create the Carondelet Altar for Besançon, and he completely rebuilt the church for the Montbenoît abbey.
He died on 27 June 1528 and is buried in a marble tomb in the Cathedrale Saint Jean in Besançon.