What country did not participate in the Seven Years' War?
Correct answer: The Dutch Republic

Cizinka
the opening battle of the French and Indian War (which led into the Seven Years War) was at Fort Necessity in Pennsylvania USA. This battle was between the British, led by 22 year old George Washington, and the French and Indians (fighting together). This is the only time in his career that Washington surrendered.

Player #96919
They don't seem to get involved in anything except Eurovision