Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In 1929 with the Lateran Treaty the world's smallest independent state came into existence. Today Vatican City State is known as the seat of Roman Catholic Church and home of unique artwork. Vatican City State, an ecclesiastical elective monarchy, is an enclave within the city of Rome with a territory of 44 hectares and a population that mainly consists of priests and nuns. Learn more about Vatican, its history, culture and politics in this book.