Ethiopia accepted Christianity as her sovereign faith after being a Judaic nation for centuries before Christ.
By this, we mean that after the destruction of Jerusalem in 588 BC and the dispersion of the Israelites, the Jews, as a nation, were unable to reconstruct an independent state anywhere in the world except for the empire established in.
Her political seat being the Throne of David makes this event uniquely significant in that Judaism as a religion or as a nation had no existing empire.
Ethiopia accepted Christianity as her sovereign faith after being a Judaic nation for centuries before Christ