"The holy and right-believing Emperor Constantine the New or Constantine IV was the Byzantine emperor from 668-685. He is sometimes incorrectly called Pogonatos, \"the Bearded\", by confusion with his father. He had been named a co-emperor with his father Constans II in 654, and became emperor when Constans was assassinated in 668. The Orthodox Church commemorates him on September 3."@en . . "Constantine the New"@en . "The holy and right-believing Emperor Constantine the New or Constantine IV was the Byzantine emperor from 668-685. He is sometimes incorrectly called Pogonatos, \"the Bearded\", by confusion with his father. He had been named a co-emperor with his father Constans II in 654, and became emperor when Constans was assassinated in 668. The Orthodox Church commemorates him on September 3."@en . . . .