Greek, and Roman religions.
Either you mean if Apollo had a religion - which he did not, as a god himself worship another god. Or what the religion that worshiped Apollo was called, the worship of many gods (such as the Greek ones, of which Apollo is one) is called "pagan", the cult worship of Apollo was widespread.
People worshiped Apollo in ancient Greek culture because he was believed to be the god of music, poetry, healing, and light. He was also associated with prophecy and truth through his oracle at Delphi. Worshipping Apollo was seen as a way to seek guidance, healing, and inspiration from this powerful deity.
He was murdered by devotees of the God Dionysus after he refused to worship Dionysus and opted to worship Apollo instead.
The sanctuary of Apollo at Delphi was built in the 6th century BCE, with significant developments occurring around 590 BCE. It became a major site for the worship of Apollo and was home to the famous Oracle of Delphi. The sanctuary underwent various expansions and renovations over the centuries, reflecting its importance in ancient Greek religion and culture.
They worship pharohs.
Poseidon was the pareon god of Corinth,
I think so. There are temples of worship in Crete and Greece etc, for example there is a place of worship for Apollo in Crete.
Ra
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They both propagated culture and learning.
pickles
Apollo was supportive in the arts and crafts. He also taught mortal men about medicine and healing.