First off, your question is a little bit odd -- gods didn't believe in gods, they were gods. It's like saying that you don't believe in humans. Now, if you mean what was it called when someone believed in only one god, that's called monotheism. Believing in multiple gods is called polytheism.
yes they believed in Allah the one true god
Akhenaton was the only pharoh who believed in just one god. The one god he believed in was the god of sun.
obama
Pharaoh Akhenaten
both.
No they believed in many gods
well the Indians had 33 gods and after they conquered a nation they started to believe in there gods to but not in the christian God because they only believed in one God, but only believed in ONE universal spirit.
It was different from the religions around it, because the Hebrews believed in one God above all others.
because they believed that Muhammad's teachings were right. they believed that there were only one god.
She and her husband believed in only worshipping one god, the god of truth, so they were monotheistic
Because the Israelites were the only ones who believed in One God.
Moses PBUH as all of the prophets believed in the only one God with no one associated to Him. All the prophets are Monotheists.