Columbia (supercontinent) (Wikipedia)Columbia, also known as Nuna or Hudsonland, is a hypothetical ancient supercontinent. It was first proposed by John J.W. Rogers and M. Santosh in 2002 and is thought to have existed approximately 2,500 to 1,500 million years ago (Ma), in the Paleoproterozoic era. The assembly of the supercontinent was likely completed during global-scale collisional events from 2,100 to 1,800 Ma.
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One Lord, one faith, one baptism,
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One God and Father of all, who is above all, and through all, and in you all.Ephesians 4:6 KJV
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There is one body, and one Spirit, even as ye are called in one hope of your calling;Ephesians 4:4 KJV