The Middle Kingdom, also known as the Period of Reunification, is a period in the history of Ancient Egypt stretching from the end of the Eleventh Dynasty to the end of the Twelfth Dynasty, roughly between 2000-1700 BCE. There were two phases: the end of the Eleventh Dynasty, which ruled from Thebes, and the Twelfth Dynasty onwards, which was centred around el-Lisht.

The End of the Eleventh Dynasty and the Rise of the Twelfth Dynasty

Toward the end of the First Intermediate Period, Mentuhotep II and his successors unified Egypt under a single rule, and commanded such faraway locations as Nubia and the Sinai. He reigned for 51 years and restored the cult of the ruler, considering himself a god and wearing the headdresses of Amun and Min. His descendants ruled Egypt, until a vizier, Amenemhet I, came to power and initiated the Twelfth Dynasty.

From the Twelfth dynasty onward, pharaohs often kept well-trained standing armies, which formed the basis of larger forces raised for defense against invasion, or for expeditions up the Nile or across the Sinai. However, the Middle Kingdom remained defensive in its military strategy, with fortifications built at the First Cataract of the Nile, in the Delta and across the Sinai Isthmus.

Amenemhet I never held the absolute power commanded, in theory, by the Old Kingdom pharaohs. During the First Intermediate Period, the governors of the nomes of Egypt—nomarchs— gained considerable power. To strengthen his position, Amenemhet required registration of land, modified nome borders, and appointed nomarchs directly when offices became vacant. Generally, however, he acquiesced to the nomarch system, creating a strongly feudal organization.

In his 20th regnal year, Amenemhat established his son, Senusret I, as his co-regent. This instituted a practice that would be used throughout the Middle and New Kingdoms. The reign of Amenemhat II, successor to Senusret I, has been characterized as largely peaceful. It appears Amenemhet allowed nomarchs to become hereditary again. In his 33rd regnal year, he appointed his son, Senusret II, co-regent.

There is no evidence of military activity during the reign of Senusret II. Senusret instead appears to have focused on domestic issues, particularly the irrigation of the Faiyum. He reigned only fifteen years, and was succeeded by his son, Senusret III.

Height of the Middle Kingdom

Senusret III was a warrior-king, and launched a series of brutal campaigns in Nubia. After his victories, Senusret built a series of massive forts throughout the country as boundary markers; the locals were closely watched.

Statue head of Sensuret III. Statue head of Sensuret III, one of the kings in the Twelfth Dynasty.

Domestically, Senusret has been given credit for an administrative reform that put more power in the hands of appointees of the central government. Egypt was divided into three warets, or administrative divisions: North, South, and Head of the South (perhaps Lower Egypt, most of Upper Egypt, and the nomes of the original Theban kingdom during the war with Herakleopolis, respectively). The power of the nomarchs seems to drop off permanently during Sensuret’s reign, which has been taken to indicate that the central government had finally suppressed them, though there is no record that Senusret took direct action against them.

The reign of Amenemhat III was the height of Middle Kingdom economic prosperity, and is remarkable for the degree to which Egypt exploited its resources. Mining camps in the Sinai, that had previously been used only by intermittent expeditions, were operated on a semi-permanent basis. After a reign of 45 years, Amenemhet III was succeeded by Amenemhet IV, under whom dynastic power began to weaken. Contemporary records of the Nile flood levels indicate that the end of the reign of Amenemhet III was dry, and crop failures may have helped to destabilize the dynasty. Furthermore, Amenemhet III had an inordinately long reign, which led to succession problems. Amenemhet IV was succeeded by Sobekneferu, the first historically attested female king of Egypt, who ruled for no more than four years. She apparently had no heirs, and when she died the Twelfth Dynasty came to a sudden end.

Decline into the Second Intermediate Period

After the death of Sobeknefru, Egypt was ruled by a series of ephemeral kings for about 10-15 years. Ancient Egyptian sources regard these as the first kings of the Thirteenth Dynasty.

After the initial dynastic chaos, a series of longer reigning, better attested kings ruled for about 50-80 years. The strongest king of this period, Neferhotep I, ruled for 11 years, maintained effective control of Upper Egypt, Nubia, and the Delta, and was even recognized as the suzerain of the ruler of Byblos. At some point during the Thirteenth Dynasty, the provinces of Xois and Avaris began governing themselves. Thus began the final portion of the Thirteenth Dynasty, when southern kings continued to reign over Upper Egypt; when the unity of Egypt fully disintegrated, however, the Middle Kingdom gave way to the Second Intermediate Period.

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