The emperor Marcian approved the doctrinal decrees of the council and enjoined silence in regard to theological questions.
64, ad Marcian.) that in 455 there was a difference of eight days between the Roman and the Alexandrine Easter.
Marcian repudiated the payment of tribute to Attila; he reformed the finances, checked extravagance, and repeopled the devastated districts.
The other notable event of his reign is the Council of Chalcedon (451), in which Marcian endeavoured to mediate between the rival schools of theology.
Meanwhile the emperor Theodosius died, and Pulcheria and Marcian who succeeded summoned, in October 451, a council (the fourth ecumenical) which met at Chalcedon.