The castle lost its political significance and stood empty again for a long time.
From the beginning of the fifteenth century the castle lost its importance.
By the 18th century the castle had lost its defensive value.
Because of changes in politics, society and the economy, the castle gradually lost its important functions.
The castle lost military importance by the end of the 16th century.
When the border moved further south in the 17th century, the castle lost its function.
The castle lost its military importance, and was turned into a prison.
The castle lost a significant amount of power and was forced to pay taxes.
By this time the castle lost all of its military importance.
This is one of the main reasons why the castle lost its importance.