Emperors of Rome

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Sant'apollinare in classe, mosaici del catino, costantino IV e i fratelli consegnano a eraclio I privilegi per ravenna, 650-700 ca. (molto restaurato) 03.jpg
Constantine IV with his co-emperor brothers and retinua, mosaic in basilica of Sant'Apollinare in Classe, Ravenna.
Name
Constantine IV
Dynasty
Heraclian
Born
c. 652
Constantinople
Died
14 September 685
Constantinople
Reign
15 September 668 to 14 September 685
(16 years, 11 months and 28 days)
Links

Constantine IV (Greek: Κωνσταντῖνος Δ', romanizedKōnstantinos IV; Latin: Flavius Constantinus Augustus; c. 652 – 14 September 685), sometimes incorrectly called Pogonatos (Πωγωνάτος), "the Bearded", out of confusion with his father,[1] was Byzantine Emperor from 668 to 685. His reign saw the first serious check to nearly 50 years of uninterrupted Islamic expansion, while his calling of the Sixth Ecumenical Council saw the end of the monothelitism controversy in the Byzantine Empire.