It has been known for a long time that ancient Egyptians venerated the sun; for instance, the god who took the form of a falcon, Horus, was typically depicted with a right eye representing the sun ...

For example, the "Eye of Horus" belongs to Horus, the sky god, often depicted as a falcon. It's a falcon's eye. Fast-forward to the founding of the United States, and it ended up on the back end ...