How long did the 30 year war last?
The Thirty Year War lasted 30 years. From 1618-1648.
30 years.....1618-1648 30 years The conflict known as the Thirty Years' War lasted for about 30 years, from 1618 to 1648. It began as a religious conflict involving the Holy Roman Empire, and took place mostly in areas now part of modern Germany. The war, or wars, lasted thirty years, from 1618 to 1648.