Meditating on the beach. noun. Peace of mind is freedom from war, law and order, harmony, or calm and quiet. An example of peace of mind is two countries at war declaring a treaty. An example of peace of mind is going to sleep at night with everyone in the family safely in bed.
The oldest castle in the world that is still standing is Windsor  Castle, home of Queen Elizabeth II. It was built in 1070. Castles  were first built in Europe around 800 AD â¦ .
The Oldest Monarchy. One can find a number of different monarchies which certain historians and writers will attach the title to of being âthe oldest monarchyâ in Europe or even the world.What can be reasonably asserted is that the oldest monarchy still functioning in the world today is the monarchy of Japan.herefore, while not the oldest monarchy in the world, the House of Grimaldi can boast of being the oldest reigning house still ruling over a sovereign nation today.