The Thirty Years War The Thirty Years War was a series of European conflicts that lasted from 1618 to 1648. The battles were mainly fought in Germany. The struggle was initially based on the religious conflicts among Germans by the Protestant Reformation, but it was later influenced by other issues, including dynastic rivalries. There were four periods in the war. The Bavarian Period (1618-1625). In 1618, in Bohemia (now the Czech Republic and then part of the Holy …showed first 75 words of 733 total…

…showed last 75 words of 733 total…two Bohemian King Ferdinand II ministers of ministers out a window. This act was known as the Defenestration of Prague. The Thirty Year War finally ended on October 24, 1648, when the Treaty of Westphalia was signed. The Treaty of Westphalia fundamentally influenced the later history of Europe. The treaty weakened the Holy Roman Empire and the Habsburgs, ensured the emergence of France as the chief power on the Continent, and delayed the political unification of Germany.