From archaeology, we cannot know. From the Bible, we can guess they came about before Tower of Babel and therefore before idolatry and therefore retained original faith. read more
Modern humans are Homo Sapiens! We don’t know about the possibility of the Neanderthals having a religion since they lived so long ago, left no written records, and did not interact with anyone who left a written record. read more
Known formally as Homo neandertalensis, Neanderthals lived in Europe and Asia, overlapping in certain places at certain time periods with Homo sapiens — and almost certainly interbreeding with them (with us!) on occasion. read more
The idea of God and the formation of organised religion may have created a sense of universal altruism amongst our species which was an advantageous trait in the survival and propagation of our species. Perhaps the earliest evidence of religion is from the Neanderthals, but the jury is still out! (Homo Sapiens coexisted along side Neanderthals. read more