Rose Island -

: The "nation" issued its own stamps, which were used by visiting tourists and remain collector's items today.

The ( Respubliko de la Insulo de la Rozoj ) was a short-lived micronation established on a 400-square-meter artificial platform in the Adriatic Sea. Built by Italian engineer Giorgio Rosa approximately 11.6 kilometers off the coast of Rimini, Italy, the platform was intentionally positioned just 500 meters outside Italian territorial waters to assert sovereign independence. Conceptual Genesis and Construction Rose Island

The Italian government viewed Rose Island as a threat to national security and a ploy to evade taxes on tourism. : The "nation" issued its own stamps, which

: A piece from Richard Wagner’s The Flying Dutchman was selected as the national anthem. Conflict and Demolition Rose Island

: Esperanto was chosen to emphasize its international, utopian identity.