Many countries in the world have histories that go back thousands of years – but only one can claim the title of the oldest continuously existing nation. While some might expect that to be Egypt or Greece, the country in question is a tiny landlocked republic with a population of fewer than 36, 000. That country is San Marino.... Like Switzerland, it has avoided major conflicts, even managing to stay out of both world wars. During World War 2, it briefly found itself caught up in the fighting,