That is a difficult position to achieve. To be a citizen of the Vatican you must be one of the following:
1.) The Pope
2.) A cardinal assigned to work in the Vatican.
3.) Certain members of the Papal Diplomatic Corps.
There are actually only about 220 citizens of the Vatican.
Anyone who is a citizen of the Vatican maintains their original citizenship of their country of origin. Should they lose their Vatican citizenship they revert to their original nationality or, lacking that, automatically become Italian citizens.
Vatican City
Vatican City was founded in 1929 with the signing of the Lateran Treaty by Benito Mussolini and Pope Pius XI.
To become a citizen of the Vatican you must be appointed to work in a specific job there. This includes the Pope, members of the Roman Curia, the Swiss Guard, etc. If you leave your position or your assignment ends, your citizenship to the Vatican ends. That is why Pope Benedict XVI was given the title of Pope Emeritus rather than simply former Pope. The title gave him the right to remain in the Vatican and maintain his Vatican citizenship.
The City of Valletta was declared a World Heritage Site in 1980.
The Vatican Climate Forest, to be located in the Bükk National Park, Hungary, was donated to the Vatican City by a carbon offsetting company. The forest is to be sized to offset the carbon emissions generated by the Vatican during 2007.
In Vatican City, St. Peter's Basilica.
Vatican City is the capital of Vatican City the country.
Vatican City is a city-state, a country consisting of only one city. So the capital is also Vatican City.
The Vatican became an independent country with the pope as the head of state in 1929 with the signing of the Lateran Treaty.
Vatican City was formed with the signing of the Lateran Treaty in 1929 by Pope Pius XI and Benito Mussolini.
vatican The Vatican City is both a city and a country. Liechenstein is a country.