The Republic of Rose Island was a short-lived micronation on a man-made platform in the Adriatic Sea, 11 kilometres (6.8 mi) off the coast of the region of Emilia-Romagna, Italy, built by Italian engineer Giorgio Rosa, who made himself its president and declared it an independent state on 1 May 1968.
Description via Wikipedia. Coordinates and heritage data from the Atika atlas.
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