Western Germany had been a major theatre of the Seven Years War since 1757 when the French had launched an invasion of Hanover which culminated in the Convention of Klosterzeven and the occupation of large areas of Hanover and neighbouring states.
Western Germany had been a major theatre of the Seven Years War since 1757, when the French had launched an invasion of Hanover. This culminated in the Convention of Klosterzeven and the occupation of large areas of Hanover and neighbouring states.