I specifically said 'Russia'. Even the Soviet Union was not a specifically Atheist state.
gosateizm: a syllabic abbreviation of "state" (gosudarstvo) and "atheism" (ateizm). The USSR became the first state to have as one objective of its official ideology the elimination of existing religion, and the prevention of future implanting of religious belief, with the goal of establishing state atheism.
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Children aren't happy without something to ignore, and that's what parents were created for.