Persian Gulf flooding of the basin started 15,000 years ago due to rising sea levels of the Holocene glacial retreat. This inland sea of some is connected to the Gulf of Oman in the east by the Strait of Hormuz; and its western end is marked by the major river delta of the Shatt al-Arab, which carries the waters of the Euphrates and the Tigris. In Iran this is called "Arvand Rood", where "Rood" means "river". Its length is , with Iran covering most of the northern coast and Saudi Arabia most of the southern coast. The Persian Gulf is about wide
Piracy in the Persian Gulf Piracy in the Persian Gulf Piracy in the Persian Gulf was prevalent until the 19th century. It was perceived as one of the primary threats to global maritime trade routes, particularly those with significance to British India and Iraq. Many of the most notable historical instances of piracy, referred to as 'resistance' by modern Emirati historians, were perpetrated by the Al Qasimi tribe. This led to the British mounting the Persian Gulf campaign of 1809, a major maritime action launched by the British to bombard Ras Al Khaimah, Lingeh and other Al Qasimi ports. The current ruler of Sharjah, Sultan