The Faithful Worship God Alone.
The legend of Pergamum’s founding places Zeus, Athena, and Heracles in the city’s pedigree. The myth claims that as a boy, the city’s founder, Telephus, was put into a chest with his mother and floated across the open sea to the mouth of the Caicus River, where Heracles and Athena provided him with sustenance.
Temples
The city had numerous temples dedicated to Greek deities (Athena, Zeus, Dionysius, Asclepius, Hera, Demeter, and Persephone) as well as Egyptian deities (Serapis, Isis, and Harpocrates).
Christians at Pergamum experienced great pressure due to the city’s heavy focus on traditional Graeco-Roman religious life.
The great altar to honor Zeus was built under Eumenes II and Attalus II.
It would have been the most visible monument to people approaching the city across the valley. The altar is preserved in remarkably good condition and displayed in the Pergamum Museum in Berlin. Its decorations depict scenes from a battle between Olympian gods and the giants, as well as scenes from the life of Telephus, the city’s legendary founder.
The assertion that “his name [will be] on their foreheads” intensifies the notion of intimate fellowship with God. It is beyond coincidence that God’s name was written on the high priest’s forehead in the OT. This expresses further the priestly nature of God’s new people. It is also no accident that a “new name” in Isaiah 62 and 65 is repeatedly associated with latter-day Zion and that the various new names attributed to the end-time city there all have “God” included in them. This OT background suggests that the divine name written on believers here is a figurative way of speaking of God’s presence with his people, which protects them. This is confirmed by the same conclusion reached earlier with regard to the “new name” (see on 2:17; 3:12) and the seal (7:2–3), which is clarified further by 14:1 (which shows that both the name of Christ and the name of the Father are in mind in 22:4). Likewise, in 3:12 Christ emphasizes security by saying that he will write on the overcomer “the name of my God and the name of the city of my God … and my new name,” and metaphorically equates this with making the “overcomer” an immovable “pillar in the temple of my God.” The theme of security associated with the metaphorical use of God’s “name” elsewhere in the book fits neatly into the theme of the eternal security of the saints in the new Jerusalem narrated so far.