The Thirty Years' War was an epic struggle between many European nations between 1618 and 1648. The war began as a struggle between Catholics and Protestant. It eventually pulled in every major power in Europe, morphing into a struggle to see if the France-Hapsburg line would maintain the pre-eminent role over Europe. The war caused great suffering, leaving many parts of Europe devastated, and the people starving. In G.A. Henty's Won by the Sword,...