Amman, the Capital city of Jordan, has been inhabited by several civilizations. The first culture on record is during the Pre-Pottery Neolithic B period, around 7250 BC, which makes it one of the oldest continuously inhabited cities in the world, along with Damascus. Amman is also ranked a Gamma global city on the World city index and it's a major tourist destination in the region and the capital is especially popular among Gulf tourists. The Ammonites called Amman Rabbath Ammon and is referred to as Rabbat Ammon in the Hebrew Bible. Later it was conquered by the Assyrians, the Persians and then the Macedonians. The Macedonian ruler of Egypt renamed Amman, Philadelphia until 106 AD when it came under Roman control and joined the Decapolis. It was destroyed by several earthquakes and natural disasters and remained a small village until the Circassian settlement in 1878. It all changed when Ottoman Sultan decided to build the Hejaz railway, linking Damascus and Medina.