Seljuk EmpireThe Seljuk Empire, or the Great Seljuk Empire, was a high medieval, culturally Turco-Persian empire, founded and ruled by the Qïnïq branch of Oghuz Turks. It spanned a total area of from Anatolia and the Levant in the west to the Hindu Kush in the east, and from Central Asia in the north to the Persian Gulf in the south. The Seljuk Empire was founded in 1037 by Tughril (990–1063) and his brother Chaghri (989–1060), both of whom co-ruled over its territories; there are indications that the Seljuk leadership otherwise functioned as a triumvirate and thus included Musa Yabghu, the uncle of the aforementioned two.
County of EdessaThe County of Edessa (Latin: Comitatus Edessanus) was a 12th-century Crusader state in Upper Mesopotamia. Its seat was the city of Edessa (modern Şanlıurfa, Turkey). In the late Byzantine period, Edessa became the centre of intellectual life within the Syriac Orthodox Church. As such it also became the centre for the translation of Ancient Greek philosophy into Syriac, which provided a stepping stone for the subsequent translations into Arabic. When the Crusades arrived, it was still important enough to tempt a side-expedition after the siege of Antioch.
Principality of AntiochThe Principality of Antioch was one of the crusader states created during the First Crusade which included parts of modern-day Turkey and Syria. The principality was much smaller than the County of Edessa or the Kingdom of Jerusalem. It extended around the northeastern edge of the Mediterranean, bordering the County of Tripoli to the south, Edessa to the east, and the Byzantine Empire or the Kingdom of Armenia to the northwest, depending on the date.
HarranHarran (Sumerian: Ḫarrānu; Ḥaran; Ḥaran) is a rural town and district of Urfa in southeastern Turkey. It is approximately southeast of Urfa and from the Syrian border crossing at Akçakale. Harran was founded at some point between the 25th and 20th centuries BC, possibly as a merchant colony by Sumerian traders from Ur. Over the course of its early history, Harran rapidly grew into a major Mesopotamian cultural, commercial and religious center.
MardinMardin (Mêrdîn; ماردين; Merdīn; Մարդին) is a city and seat of the Artuklu District of Mardin Province in Turkey. It is known for the Artuqid architecture of its old city, and for its strategic location on a rocky hill near the Tigris River. The old town of the city is under the protection of UNESCO, which forbids new constructions to preserve its façade. The city had a population of 129,864 in 2021. The city survived into the Syriac Christian period as the name of Mt.
HasankeyfHasankeyf is a town located along the Tigris, in the Hasankeyf District, Batman Province, Turkey. It was declared a natural conservation area by Turkey in 1981. Despite local and international objections, the city and its archaeological sites have been flooded as part of the Ilısu Dam project. By 1 April 2020, water levels reached an elevation of 498.2m, covering the whole town. The town had a population of 4,329 in 2021. Hasankeyf was an ancient settlement that has borne many names from a variety of cultures during its history.
Ayyubid dynastyThe Ayyubid dynasty (الأيوبيون al-Ayyūbīyūn; ئەیووبیەکان, Eyûbiyan), also known as the Ayyubid Empire, was the founding dynasty of the medieval Sultanate of Egypt established by Saladin in 1171, following his abolition of the Fatimid Caliphate of Egypt. A Sunni Muslim of Kurdish origin, Saladin had originally served Nur ad-Din of Syria, leading Nur ad-Din's army in battle against the Crusaders in Fatimid Egypt, where he was made Vizier.
DiyarbakırDiyarbakır (diˈjaɾ.bakɯɾ; Տիգրանակերտ, local pronunciation: Dikranagerd; Amed; ܐܡܝܕ) is the largest Kurdish-majority city in Turkey. It is the administrative center of Diyarbakır Province. Situated around a high plateau by the banks of the Tigris river on which stands the historic Diyarbakır Fortress, it is the administrative capital of the Diyarbakır Province of southeastern Turkey. It is the second-largest city in the Southeastern Anatolia Region.
NusaybinNusaybin (nuˈsajbin), historically known as Nisibis (Nísibis) or Nesbin, is a city and the seat of the Nusaybin District of the Mardin Province in Turkey. The city is populated by Kurds of different tribal affiliation and had a population of 84,445 in 2021. Nusaybin is separated from the larger Kurdish-majority city of Qamishli by the Syria–Turkey border. The city is at the foot of the Mount Izla escarpment at the southern edge of the Tur Abdin hills, standing on the banks of the Jaghjagh River (Çağçağ), the ancient Mygdonius (Μυγδόνιος).
Second CrusadeThe Second Crusade (1145–1149) was the second major crusade launched from Europe. The Second Crusade was started in response to the fall of the County of Edessa in 1144 to the forces of Zengi. The county had been founded during the First Crusade (1096–1099) by King Baldwin I of Jerusalem in 1098. While it was the first Crusader state to be founded, it was also the first to fall. The Second Crusade was announced by Pope Eugene III, and was the first of the crusades to be led by European kings, namely Louis VII of France and Conrad III of Germany, with help from a number of other European nobles.
