The '''Thirty Years War''' was a conflict lasting from 1618 to 1648 between the [[Holy Roman Empire]], [[Sweden]], [[Denmark]], [[France]], Savoy, [[Spain]], [[Holland]] and numerous Germanic rebellious forces.
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#redirect [[Thirty Years' War]]
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It is one of a large number of [[Europe]]an Wars, a cycle of conflicts that didn't truly end until the formation of the European Coal and Steel community, later known as the [[European Union]].