What was the Thirty Years’ War?

External Websites

The Thirty Years’ War was a series of wars fought by various nations for various reasons, including religious, dynastic, territorial, and commercial rivalries. Its destructive campaigns and battles occurred over most of Europe, and, when it ended with the Treaty of Westphalia in 1648, the map of Europe had been irrevocably changed.

When did the Thirty Years’ War begin?

External Websites

Though the struggles of the Thirty Years War erupted some years earlier, the war is conventionally held to have begun in 1618, when the future Holy Roman emperor Ferdinand II attempted to impose Roman Catholic absolutism on his domains, and the Protestant nobles of both Bohemia and Austria rose up in rebellion.