Pope Urban V makes the first attempt to move the Papacy back to Rome from Avignon. This move is reversed in 1370 when he is forced to return to Avignon and shortly afterwards dies.
... and to her all should flee as
to a mother. She should be invoked. He also
gives prayers to Mary (cf. the De tabernaculis, and
Hortus rosarum, Pohl's ed., ut inf., ...