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Empire of Trebizond
The Empire of Trebizond was an offshoot of the Byzantine Empire that existed from 1204 to 1461 CE, ruled by the Megas Komnenos Dynasty, descendants of the Komnenos Byzantine emperors. The Empire of Trebizond has been far less researched than...
Definition
Byzantine Empire
The Byzantine Empire existed from 330 to 1453. It is often called the Eastern Roman Empire or simply Byzantium. The Byzantine capital was founded at Constantinople by Constantine I (r. 306-337). The Byzantine Empire varied in size over the...
Definition
Sasanian Empire
The Sasanian Empire (224-651 CE, also given as Sassanian, Sasanid or Sassanid) was the last pre-Islamic Persian empire, established in 224 CE by Ardeshir I, son of Papak, descendant of Sasan. The Empire lasted until 651 CE when it was overthrown...
Definition
Mali Empire
The Mali Empire (1240-1645) of West Africa was founded by Sundiata Keita (r. 1230-1255) following his victory over the kingdom of Sosso (c. 1180-1235). Sundiata's centralised government, diplomacy and well-trained army permitted a massive...
Definition
Ottoman Empire
The Ottoman Sultanate (1299-1922 as an empire; 1922-1924 as caliphate only), also referred to as the Ottoman Empire, written in Turkish as Osmanlı Devleti, was a Turkic imperial state that was conceived by and named after Osman (l. 1258-1326...
Definition
Songhai Empire
The Songhai Empire (aka Songhay, c. 1460 - c. 1591) covered what is today southern Mauritania and Mali. It replaced the Mali Empire (1240-1645) as the most important state in West Africa. Originating as a smaller kingdom along the eastern...
Definition
Ghana Empire
The Ghana Empire flourished in West Africa from at least the 6th to 13th century CE. Not connected geographically to the modern state of Ghana, the Ghana Empire was located in the western Sudan savannah region (modern southern Mauritania...
Definition
Parthia (Empire)
The Parthians ruled from 247 BCE to 224 CE creating a vast empire that stretched from the Mediterranean in the west to India and China in the east. East of the Caspian Sea there emerged from the steppe of Central Asia a nomadic Scythian tribe...
Definition
Akkad and the Akkadian Empire
Akkad was the seat of the Akkadian Empire (2334-2218 BCE), the first multi-national political entity in the world, founded by Sargon the Great (r. 2334-2279 BCE) who unified Mesopotamia under his rule and set the model for later Mesopotamian...
Definition
Mongol Empire
The Mongol Empire (1206-1368) was founded by Genghis Khan (r. 1206-1227), first Great Khan or 'universal ruler' of the Mongol peoples. Genghis forged the empire by uniting nomadic tribes of the Asian steppe and creating a devastatingly effective...