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
Persian Gulf naming dispute the Arabian Gulf." The 2000 "AP Stylebook" elaborates: Persian Gulf is the "long-established name" and the best choice. "Some Arab nations call it the Arabian Gulf. Use Arabian Gulf only in direct quotations and explain in the text that the body of water is more commonly known as the Persian Gulf." In 2004, the Persian Gulf-naming dispute was the subject of a Google bomb by an Iranian blogger named Pendar Yousefi. This was the combined efforts of hundreds of bloggers, webmasters and Persian forums who pointed links with the word Arabian Gulf to a spoof error page found at this