Significados de obscure beginnings en inglés

It was not only by shrewdness, energy and an incomparable audacity that Isaac Rickman had raised himself from those obscure beginnings.

They had fought their way up together from obscure beginnings to their present affluence, as the owners of the "T.T."

Was their religion in its obscure beginnings or was it already a special and peculiar development, the fruit of many ages of thought?

The new era in reviewing, our era, began with two phenomena, of which the first had obscure beginnings and the second can be exactly dated.