Did Ancient Greeks and Jews know of each other's existence?

They certainly did, but the relationship was very fraught. Greek culture generally started from a position of power, so the Greek and Jewish opinions of each other were inseparable from the fact that generally Greeks were the rulers and Jews the ruled during the time their cultures intersected. read more

Alexander the Great, the Macedonian, almost certainly met Dhinese in his conquests of India and Central Asia. read more

Monolatry, from the Greek mono = one and latreia = service, is the belief that many gods exist but only one should be served. Today, Judaism is strictly monotheistic, but scholars have recognized the many examples in the Hebrew Bible of the ancient Israelites being monolatric (although there are also statements in the Hebrew Bible that are clearly monotheistic). read more