In an incident that took place less than two weeks after the Greek Defense Ministry announced that Turkey had violated Greek airspace 138 times in a single day, a Turkish coast guard patrol boat on February 13 rammed a Greek coast guard vessel off the shore of Imia, one of many Greek islands over which Turkey claims sovereignty. Most of the areas within modern Greece's current borders were under the occupation of the Ottoman Empire from the mid-15th century until the Greek War of Independence in 1821 and the establishment of the modern Greek state in 1832. The islands, however,...