Ptolemaic Kingdom

The Ptolemaic Kingdom (/ˌtɒlɪˈmeɪ.ɪk/; Koine Greek: Πτολεμαϊκὴ βασιλεία, Ptolemaïkḕ basileía) or Ptolemaic Empire was an ancient Greek polity based in Egypt during the Hellenistic period. It was founded in 305 BC by the Macedonian Greek general Ptolemy I Soter, a companion of Alexander the Great, and ruled by the Ptolemaic dynasty until the death of Cleopatra VII in 30 BC. Reigning for nearly three centuries, the Ptolemies were the longest and final dynasty of ancient Egypt, heralding a distinct era of religious and cultural syncretism between Greek and Egyptian culture.

Alexander the Great conquered Egypt in 332 BC during his campaigns against the Achaemenid Empire. Alexander's death in 323 BC was followed by the rapid unraveling of the Macedonian Empire amid competing claims by the diadochi, his closest friends and companions. Ptolemy, one of Alexander's most trusted generals and confidants, won control of Egypt from his rivals and declared himself its ruler in 305 BC. Alexandria, a Greek polis founded by Alexander, became the capital city and a major center of Greek culture, learning, and trade for the next several centuries. Following the Syrian Wars with the Seleucid Empire, a rival Hellenistic state, the Ptolemaic Kingdom expanded its territory to include eastern Libya, the Sinai, and northern Nubia.

To legitimize their rule and gain recognition from native Egyptians, the Ptolemies adopted the local title of pharaoh, alongside the Greek title of basileus, and had themselves portrayed on public monuments in Egyptian style and dress. The monarchy otherwise strictly maintained its Hellenistic character and traditions. The kingdom had a complex government bureaucracy that exploited the country's vast economic resources to the benefit of a Greek ruling class, which dominated military, political, and economic affairs, and which rarely integrated into Egyptian society and culture. Native Egyptians maintained power over local and religious institutions, and only gradually accrued power in the bureaucracy, provided they Hellenized. Beginning with Ptolemy I's son and successor, Ptolemy II Philadelphus, the Ptolemies began to adopt Egyptian customs, such as marrying their siblings per the Osiris myth and participating in Egyptian religious life. New temples were built, older ones restored, and royal patronage lavished on the priesthood.

From the mid third century BC, Ptolemaic Egypt was the wealthiest and most powerful of Alexander's successor states, and the leading example of Greek civilization. Beginning in the mid second century BC, dynastic strife and a series of foreign wars weakened the kingdom, and it became increasingly reliant on the Roman Republic. Under Cleopatra VII, who sought to restore Ptolemaic power, Egypt became entangled in a Roman civil war, which ultimately led to its conquest by Rome as the last independent Hellenistic state. Roman Egypt became one of Rome's richest provinces and a center of Greek culture. Greek remained the language of government and trade until the Muslim conquest in 641 AD, while Alexandria maintained its status as one of the leading cities of the Mediterranean well into the late Middle Ages.

The Ptolemaic reign in Egypt is one of the best-documented time periods of the Hellenistic era, due to a wealth of surviving papyri and ostraca written in Koine Greek and Egyptian.

In 332 BC, Alexander the Great, King of Macedon, conquered Egypt, which at the time was a satrapy of the Achaemenid Empire later called Egypt's Thirty-first Dynasty. He visited Memphis, and travelled to the oracle of Amun at the Siwa Oasis. The oracle declared him to be the son of Amun.

Alexander conciliated the Egyptians by the respect he showed for their religion, but he appointed Macedonians to virtually all the senior posts in the country, and founded a new Greek city, Alexandria, to be the new capital. The wealth of Egypt could now be harnessed for Alexander's conquest of the rest of the Achaemenid Empire. Early in 331 BC he was ready to depart, and led his forces away to Phoenicia. He left Cleomenes of Naucratis as the ruling nomarch to control Egypt in his absence. Alexander would never return to Egypt.

Following Alexander's death in Babylon in 323 BC, a succession crisis erupted among his generals. Initially, Perdiccas ruled the empire as regent for Alexander's half-brother Arrhidaeus, who became Philip III of Macedon, and then as regent for both Philip III and Alexander's infant son Alexander IV of Macedon, who had not been born at the time of his father's death. Perdiccas appointed Ptolemy, one of Alexander's closest companions, to be satrap of Egypt. Ptolemy ruled Egypt from 323 BC, nominally in the name of the joint kings Philip III and Alexander IV. However, as Alexander the Great's empire disintegrated, Ptolemy soon established himself as ruler in his own right. Ptolemy successfully defended Egypt against an invasion by Perdiccas in 321 BC, and consolidated his position in Egypt and the surrounding areas during the Wars of the Diadochi (322–301 BC). In 305 BC, Ptolemy took the title of basileus and pharaoh. As Ptolemy I Soter ("Saviour"), he founded the Ptolemaic dynasty that was to rule Egypt for nearly 300 years.