Persian Gulf naming dispute region, who did not use the term "Persian Gulf". In 2011 President Mahmoud Ahmadinejad made a speech to the United Nations General Assembly during which he said that the only correct name of the sea between Iran and the Arabian peninsula was the Persian Gulf, and he dismissed the use of any other names as illegitimate and void. Iran designates 30 April as National Persian Gulf Day. The date coincides with the anniversary of Abbas I of Persia's successful military campaign when the Portuguese navy was driven out of the Strait of Hormuz in the Capture of Ormuz (1622). The
Persian Gulf naming dispute the head of the Persian Gulf. This coincided with the early mapmaking efforts of Gerard Mercator, whose 1541 terrestrial globe attempts to give the most up-to-date information, naming the gulf "Sinus Persicus, nunc Mare de Balsera" ("Persian Gulf, now Sea of Basra"). However, on his world map of 1569, the name is changed to "Mare di Mesendin" (after the peninsula Ra's Musandam, in modern-day Oman), while his rival Abraham Ortelius, for the world atlas of 1570, opted for "Mare El Catif, olim Sinus Persicus" (after the Arabian port of Al Qatif), but labelled the entrance to the gulf the present-day