One of the cities whose Church is addressed in Revelation (2: 12); capital of the Roman province of Asia, and the site of ‘Satan's throne’ (Rev. 2: 13), which perhaps means that it was a centre of worship of the Roman emperor.
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"Pergamum." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. Feb 7, 2016. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1448>.
"Pergamum." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1448 (accessed Feb 7, 2016).