In the year 1929 it was established as an independent state by Lateran Treaty which was signed by Cardinal Secretary of State Petro Gaspar ion behalf of Prime Minister Benito Mussolini, King Victor Emmanuel III of Italy and on behalf of Pope Pius XI. Vatican City exists on 1929 as you know so it means it is less than 100 years old. It was created by Mussolini. Unlike other states of the world if one is born are the citizens of the country and one becomes citizen of it but you can only be made a citizen of the Vatican by appoint to work but if you lose your job you have no citizenship of any other country you will automatically become Italian. It means it is the only country you can’t be born a citizen of. In the world it contains highest crime rate.
Vatican City at evening time view
Over this entire city has that thing which is not other state have.
Vatican City in Italy