The local Theban god Amon became intertwined with Ra creating the deity Amon Ra and around 1800 b.c. , the female Osiris cult developed into a main deity.
Amon Ra was created around 2000 b.c.
mnli hypothesis: Amon Ra was created around 2000 b.c. premise: The local Theban god Amon became intertwined with Ra creating the deity Amon Ra and around 1800 b.c. , the female Osiris cult developed into a main deity.