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Maurice of Orange captures Grave
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Albrecht von Wallenstein leads Catholic forces to victory at the Battle of Dessau Bridge
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Swedish forces led by King Gustavus Adolphus win the Battle of Breitenfeld
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Swedish troops win the Battle of Lützen, but Gustavus Adolphus is killed in the fighting
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A peasant rebellion takes place on Japan's Shimabara Peninsula
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Royalist and Parliamentarian forces clash at the Battle of Powick Bridge
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The English Parliament declares war on the Dutch Republic
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The Treaty of Westminster ends the conflict
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The conflict begins after the Dutch permit their ships to fire when threatened
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The Treaty of Breda ends the conflict