Probably vastly different.

The exact origins of poker are hard to pin down, but the earliest poker games are characterized by the development of the betting structure familiar to us today. These games were popularized on riverboats moving through the Mississippi river valley (including the Ohio and Missouri rivers), and their popularity thrived among the pioneer settlers that passed through the river towns on their way westward.

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Poker would be different, because we'd all be speaking French.

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I know that's not what you meant.