Achaemenid Satraps Of Cappadocia

The Achaemenid Empire or Achaemenian Empire (; peo, 𐎧𐏁𐏂, , ), also called the First Persian Empire, was an ancient Iranian empire founded by Cyrus the Great in 550 BC. Based in Western Asia, it was contemporarily the largest empire in history, spanning a total of from the Balkans and Egypt in the west to Central Asia and the Indus Valley in the east.

Around the 7th century BC, the region of Persis in the southwestern portion of the Iranian plateau was settled by the Persians. From Persis, Cyrus rose and defeated the Median Empire as well as Lydia and the Neo-Babylonian Empire, marking the formal establishment of a new imperial polity under the Achaemenid dynasty.

In the modern era, the Achaemenid Empire has been recognized for its imposition of a successful model of centralized, bureaucratic administration; its multicultural policy; building complex infrastructure, such as road systems and an organized postal system; the use of official languages across its territories; and the development of civil services, including its possession of a large, professional army. Its advancements inspired the implementation of similar styles of governance by a variety of later empires.

By 330 BC, the Achaemenid Empire was conquered by Alexander the Great, an ardent admirer of Cyrus the Great; the conquest marked a key achievement in the then-ongoing campaign of his Macedonian Empire. As Alexander's death triggered the beginning of the Hellenistic period, most of the territory of the fallen Achaemenid Empire came under the rule of the Ptolemaic Kingdom and the Seleucid Empire, both of which had emerged as successors to the Macedonian Empire following the Partition of Triparadisus in 321 BC. Hellenistic rule remained in place for almost a century before the Iranian elites of the central plateau reclaimed power under the Parthian Empire.

Name

The Achaemenian empire borrows its name from the ancestor of Cyrus the Great, the founder of the empire, Achaemenes. The term ' means "of the family of the Achaemenis/Achaemenes" ( peo, 𐏃𐎧𐎠𐎶𐎴𐎡𐏁 ''Haxāmaniš''; a bahuvrihi compound translating to "having a friend's mind"). Achaemenes was himself a minor seventh-century ruler of the Anshan in southwestern Iran, and a vassal of Assyria.

Around 850 BC the original nomadic people who began the empire called themselves the ''Parsa'' and their constantly shifting territory ''Parsua'', for the most part localized around Persis. The name "Persia" is a Greek and Latin pronunciation of the native word referring to the country of the people originating from Persis (Old Persian: 𐎱𐎠𐎼𐎿, ''Pārsa''). The Persian term ''Xšāça'' (), literally meaning "The Kingdom", was used to refer to the Empire formed by their multinational state.

History

Achaemenid timeline

''Astronomical year numbering''

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from: -675 till: -550 text:Origins
bar:Period color:age
from: -550 till: -499 shift:(0,3) text:Expansion
from: -499 till: -449 shift:(0,-10) text:Greco-Persian wars
from: -449 till: -358 text:Cultural
from: -358 till: -330 text:Decline

bar:Rulers color:era
from:-675 till:-640 text: Teispes
from:-640 till:-600 text: Cyrus I
from:-600 till:-559 text: Cambyses I
from:-559 till:-530 shift:(0,5) text: Cyrus II
from:-530 till:-522 shift:(0,-9) text: Cambyses II
from:-522 till:-522 shift:(0,-17) text: Smerdis
from:-522 till:-486 shift:(0,-33) text: Darius I
from:-486 till:-465 text: Xerxes I
from:-465 till:-424 shift:(0,-10) text: Artaxerxes I
from:-424 till:-424 shift:(0,-3) text: Xerxes II
from:-424 till:-424 shift:(0,-25) text:Sogdianus
from:-424 till:-404 shift:(-20,14) text: Darius II
from:-404 till:-358 shift:(-10,4) text: Artaxerxes II
from:-358 till:-338 shift:(0,-8) text: Artaxerxes III
from:-338 till:-336 shift:(-20,21) text: Arses
from:-336 till:-330 shift:(-10,11) text: Darius III
from:-330 till:-329 shift:(0,-15) text: Bessus

bar:  color:filler
from: -675 till: -480 text:Early
from: -480 till: -380 text:Middle
from: -380 till: -330 text:Late

:::''Dates are approximate, consult particular article for details''

Origin

The Achaemenid Empire was created by nomadic Persians. The Persians were Iranian people who arrived in what is today Iran c. 1000 BC and settled a region including north-western Iran, the Zagros Mountains and Persis alongside the native Elamites. The Persians were originally nomadic pastoralists in the western Iranian Plateau. The Achaemenid Empire may not have been the first Iranian empire, as the Medes, another group of Iranian people, possibly established a short-lived empire when they played a major role in overthrowing of the Assyrians.

The Achaemenids were initially rulers of the Elamite city of Anshan near the modern city of Marvdasht; the title "King of Anshan" was an adaptation of the earlier Elamite title "King of Susa and Anshan". There are conflicting accounts of the identities of the earliest Kings of Anshan. According to the Cyrus Cylinder (the oldest extant genealogy of the Achaemenids) the kings of Anshan were Teispes, Cyrus I, Cambyses I and Cyrus II, also known as Cyrus the Great, who created the empire (the later Behistun Inscription, written by Darius the Great, claims that Teispes was the son of Achaemenes and that Darius is also descended from Teispes through a different line, but no earlier texts mention Achaemenes). In Herodotus' Histories, he writes that Cyrus the Great was the son of Cambyses I and Mandane of Media, the daughter of Astyages, the king of the Median Empire.

Formation and expansion

Cyrus revolted against the Median Empire in 553 BC, and in 550 BC succeeded in defeating the Medes, capturing Astyages and taking the Median capital city of Ecbatana. Once in control of Ecbatana, Cyrus styled himself as the successor to Astyages and assumed control of the entire empire. By inheriting Astyages' empire, he also inherited the territorial conflicts the Medes had had with both Lydia and the Neo-Babylonian Empire.

King Croesus of Lydia sought to take advantage of the new international situation by advancing into what had previously been Median territory in Asia Minor. Cyrus led a counterattack which not only fought off Croesus' armies, but also led to the capture of Sardis and the fall of the Lydian Kingdom in 546 BC. Cyrus placed Pactyes in charge of collecting tribute in Lydia and left, but once Cyrus had left Pactyes instigated a rebellion against Cyrus. Cyrus sent the Median general Mazares to deal with the rebellion, and Pactyes was captured. Mazares, and after his death Harpagus, set about reducing all the cities which had taken part in the rebellion. The subjugation of Lydia took about four years in total.

When the power in Ecbatana changed hands from the Medes to the Persians, many tributaries to the Median Empire believed their situation had changed and revolted against Cyrus. This forced Cyrus to fight wars against Bactria and the nomadic Saka in Central Asia. During these wars, Cyrus established several garrison towns in Central Asia, including the Cyropolis.

Nothing is known of Persian-Babylonian relations between 547 BC and 539 BC, but it is likely that there were hostilities between the two empires for several years leading up to the war of 540–539 BC and the Fall of Babylon. In October 539 BC, Cyrus won a battle against the Babylonians at Opis, then took Sippar without a fight before finally capturing the city of Babylon on 12 October, where the Babylonian king Nabonidus was taken prisoner. Upon taking control of the city, Cyrus depicted himself in propaganda as restoring the divine order which had been disrupted by Nabonidus, who had promoted the cult of Sin rather than Marduk, and he also portrayed himself as restoring the heritage of the Neo-Assyrian Empire by comparing himself to the Assyrian king Ashurbanipal. The Hebrew Bible also unreservedly praises Cyrus for his actions in the conquest of Babylon, referring to him as Yahweh's anointed. He is credited with freeing the people of Judah from their exile and with authorizing the reconstruction of much of Jerusalem, including the Second Temple.

In 530 BC, Cyrus presumably died while on a military expedition against the Massagetae in Central Asia. He was succeeded by his eldest son Cambyses II, while his younger son Bardiya received a large territory in Central Asia. By 525 BC, Cambyses had successfully subjugated Phoenicia and Cyprus and was making preparations to invade Egypt with the newly created Persian navy. The great Pharaoh Amasis II had died in 526 BC and had been succeeded by Psamtik III, resulting in the defection of key Egyptian allies to the Persians. Psamtik positioned his army at Pelusium in the Nile Delta. He was soundly defeated by the Persians in the Battle of Pelusium before fleeing to Memphis, where the Persians defeated him and took him prisoner. After attempting a failed revolt, Psamtik III promptly committed suicide.Herodotus, ''Histories'
III.11

III.13

Herodotus depicts Cambyses as openly antagonistic to the Egyptian people and their gods, cults, temples, and priests, in particular stressing the murder of the sacred bull Apis. He says that these actions led to a madness that caused him to kill his brother Bardiya (who Herodotus says was killed in secret), his own sister-wife and Croesus of Lydia. He then concludes that Cambyses completely lost his mind, and all later classical authors repeat the themes of Cambyses' impiety and madness. However, this is based on spurious information, as the epitaph of Apis from 524 BC shows that Cambyses participated in the funeral rites of Apis styling himself as pharaoh.

Following the conquest of Egypt, the Libyans and the Greeks of Cyrene and Barca in present-day eastern Libya (Cyrenaica) surrendered to Cambyses and sent tribute without a fight. Cambyses then planned invasions of Carthage, the oasis of Ammon and Ethiopia. Herodotus claims that the naval invasion of Carthage was canceled because the Phoenicians, who made up a large part of Cambyses' fleet, refused to take up arms against their own people, but modern historians doubt whether an invasion of Carthage was ever planned at all. However, Cambyses dedicated his efforts to the other two campaigns, aiming to improve the Empire's strategic position in Africa by conquering the Kingdom of Meroë and taking strategic positions in the western oases. To this end, he established a garrison at Elephantine consisting mainly of Jewish soldiers, who remained stationed at Elephantine throughout Cambyses' reign. The invasions of Ammon and Ethiopia themselves were failures. Herodotus claims that the invasion of Ethiopia was a failure due to the madness of Cambyses and the lack of supplies for his men, but archaeological evidence suggests that the expedition was not a failure, and a fortress at the Second Cataract of the Nile, on the border between Egypt and Kush, remained in use throughout the Achaemenid period.

The events surrounding Cambyses' death and Bardiya's succession are greatly debated as there are many conflicting accounts. According to Herodotus, as Bardiya's assassination had been committed in secret, the majority of Persians still believed him to be alive. This allowed two Magi to rise up against Cambyses, with one of them sitting on the throne able to impersonate Bardiya because of their remarkable physical resemblance and shared name (Smerdis in Herodotus' accounts). Ctesias writes that when Cambyses had Bardiya killed he immediately put the magus Sphendadates in his place as satrap of Bactria due to a remarkable physical resemblance. Two of Cambyses' confidants then conspired to usurp Cambyses and put Sphendadates on the throne under the guise of Bardiya. According to the Behistun Inscription, written by the following king Darius the Great, a magus named Gaumata impersonated Bardiya and incited a revolution in Persia. Whatever the exact circumstances of the revolt, Cambyses heard news of it in the summer of 522 BC and began to return from Egypt, but he was wounded in the thigh in Syria and died of gangrene, so Bardiya's impersonator became king. The account of Darius is the earliest, and although the later historians all agree on the key details of the story, that a magus impersonated Bardiya and took the throne, this may have been a story created by Darius to justify his own usurpation. Iranologist Pierre Briant hypothesises that Bardiya was not killed by Cambyses, but waited until his death in the summer of 522 BC to claim his legitimate right to the throne as he was then the only male descendant of the royal family. Briant says that although the hypothesis of a deception by Darius is generally accepted today, "nothing has been established with certainty at the present time, given the available evidence".

According to the Behistun Inscription, Gaumata ruled for seven months before being overthrown in 522 BC by Darius the Great (Darius I) (Old Persian ''Dāryavuš'', "who holds firm the good", also known as ''Darayarahush''). The Magi, though persecuted, continued to exist, and a year following the death of the first pseudo-Smerdis (Gaumata), saw a second pseudo-Smerdis (named Vahyazdāta) attempt a coup. The coup, though initially successful, failed.

Herodotus writes that the native leadership debated the best form of government for the empire.

Ever since the Macedonian king Amyntas I surrendered his country to the Persians in about 512–511, Macedonians and Persians were strangers no more as well. The subjugation of Macedonia was part of Persian military operations initiated by Darius the Great (521–486) in 513—after immense preparations—a huge Achaemenid army invaded the Balkans and tried to defeat the European Scythians roaming to the north of the Danube river.Joseph Roisman, Ian Worthingto
''A Companion to Ancient Macedonia''
pp. 342–45. John Wiley & Sons, 2011 Darius' army subjugated several Thracian peoples, and virtually all other regions that touch the European part of the Black Sea, such as parts of nowadays Bulgaria, Romania, Ukraine, and Russia, before it returned to Asia Minor. Darius left in Europe one of his commanders named Megabazus whose task was to accomplish conquests in the Balkans. The Persian troops subjugated gold-rich Thrace, the coastal Greek cities, and defeated and conquered the powerful Paeonians. Finally, Megabazus sent envoys to Amyntas, demanding acceptance of Persian domination, which the Macedonians did. The Balkans provided many soldiers for the multi-ethnic Achaemenid army. Many of the Macedonian and Persian elite intermarried, such as the Persian official Bubares who married Amyntas' daughter, Gygaea. Family ties the Macedonian rulers Amyntas and Alexander enjoyed with Bubares ensured them good relations with the Persian kings Darius and Xerxes the Great. The Persian invasion led indirectly to Macedonia's rise in power and Persia had some common interests in the Balkans; with Persian aid, the Macedonians stood to gain much at the expense of some Balkan tribes such as the Paeonians and Greeks. All in all, the Macedonians were "willing and useful Persian allies. Macedonian soldiers fought against Athens and Sparta in Xerxes the Great's army. The Persians referred to both Greeks and Macedonians as '' Yauna'' ("Ionians", their term for "Greeks"), and to Macedonians specifically as ''Yaunã Takabara'' or "Greeks with hats that look like shields", possibly referring to the Macedonian kausia hat.

By the 5th century BC, the Kings of Persia were either ruling over or had subordinated territories encompassing not just all of the Persian Plateau and all of the territories formerly held by the Assyrian Empire (Mesopotamia, the Levant, Cyprus and Egypt), but beyond this all of Anatolia and Armenia, as well as the Southern Caucasus and parts of the North Caucasus, Azerbaijan, Uzbekistan, Tajikistan, Bulgaria, Paeonia, Thrace and Macedonia to the north and west, most of the Black Sea coastal regions, parts of Central Asia as far as the Aral Sea, the Oxus and Jaxartes to the north and north-east, the Hindu Kush and the western Indus basin (corresponding to modern Afghanistan and Pakistan) to the far east, parts of northern Arabia to the south, and parts of eastern Libya (Cyrenaica) to the south-west, and parts of Oman, China, and the UAE. Behistun Inscription

Greco-Persian Wars

The Ionian Revolt in 499 BC, and associated revolts in Aeolis, Doris, Cyprus, and Caria, were military rebellions by several regions of Asia Minor against Persian rule, lasting from 499 to 493 BC. At the heart of the rebellion was the dissatisfaction of the Greek cities of Asia Minor with the tyrants appointed by Persia to rule them, along with the individual actions of two Milesian tyrants, Histiaeus and Aristagoras. In 499 BC, the then-tyrant of Miletus, Aristagoras, launched a joint expedition with the Persian satrap Artaphernes to conquer Naxos, in an attempt to bolster his position in Miletus (both financially and in terms of prestige). The mission was a debacle, and sensing his imminent removal as tyrant, Aristagoras chose to incite the whole of Ionia into rebellion against the Persian king Darius the Great.

The Persians continued to reduce the cities along the west coast that still held out against them, before finally imposing a peace settlement in 493 BC on Ionia that was generally considered to be both just and fair. The Ionian Revolt constituted the first major conflict between Greece and the Achaemenid Empire, and as such represents the first phase of the Greco-Persian Wars. Asia Minor had been brought back into the Persian fold, but Darius had vowed to punish Athens and Eretria for their support of the revolt. Moreover, seeing that the political situation in Greece posed a continued threat to the stability of his Empire, he decided to embark on the conquest of all of Greece. The first campaign of the invasion was to bring the territories in the Balkan peninsula back within the empire.Joseph Roisman, Ian Worthington
"A companion to Ancient Macedonia"
John Wiley & Sons, 2011. pp 135–38, 343–45 The Persian grip over these territories had loosened following the Ionian Revolt. In 492 BC, the Persian general Mardonius re-subjugated Thrace and made Macedon a fully subordinate part of the empire; it had been a vassal as early as the late 6th century BC but retained a great deal of autonomy. However, in 490 BC the Persian forces were defeated by the Athenians at the Battle of Marathon and Darius would die before having the chance to launch an invasion of Greece.

Xerxes I (485–465 BC, Old Persian ''Xšayārša'' "Hero Among Kings"), son of Darius I, vowed to complete the job. He organized a massive invasion aiming to conquer Greece. His army entered Greece from the north in the spring of 480 BC, meeting little or no resistance through Macedonia and Thessaly, but was delayed by a small Greek force for three days at Thermopylae. A simultaneous naval battle at Artemisium was tactically indecisive as large storms destroyed ships from both sides. The battle was stopped prematurely when the Greeks received news of the defeat at Thermopylae and retreated. The battle was a strategic victory for the Persians, giving them uncontested control of Artemisium and the Aegean Sea.

Following his victory at the Battle of Thermopylae, Xerxes sacked the evacuated city of Athens and prepared to meet the Greeks at the strategic Isthmus of Corinth and the Saronic Gulf. In 480 BC the Greeks won a decisive victory over the Persian fleet at the Battle of Salamis and forced Xerxes to retire to Sardis. The land army which he left in Greece under Mardonius retook Athens but was eventually destroyed in 479 BC at the Battle of Plataea. The final defeat of the Persians at Mycale encouraged the Greek cities of Asia to revolt, and the Persians lost all of their territories in Europe; Macedonia once again became independent.

Cultural phase

After Xerxes I was assassinated, he was succeeded by his eldest surviving son Artaxerxes I. It was during his reign that Elamite ceased to be the language of government, and Aramaic gained in importance. It was probably during this reign that the solar calendar was introduced as the national calendar. Under Artaxerxes I, Zoroastrianism became the ''de facto'' religion of state.

After Persia had been defeated at the Battle of Eurymedon (469 or 466 BC), military action between Greece and Persia was halted. When Artaxerxes I took power, he introduced a new Persian strategy of weakening the Athenians by funding their enemies in Greece. This indirectly caused the Athenians to move the treasury of the Delian League from the island of Delos to the Athenian acropolis. This funding practice inevitably prompted renewed fighting in 450 BC, where the Greeks attacked at the Battle of Cyprus. After Cimon's failure to attain much in this expedition, the Peace of Callias was agreed between Athens, Argos and Persia in 449 BC.

Artaxerxes I offered asylum to Themistocles, who was the winner of the Battle of Salamis, after Themistocles was ostracized from Athens. Also, Artaxerxes I gave him Magnesia, Myus, and Lampsacus to maintain him in bread, meat, and wine. In addition, Artaxerxes I gave him Palaescepsis to provide him with clothes, and he also gave him Percote with bedding for his house.

When Artaxerxes died in 424 BC at Susa, his body was taken to the tomb already built for him in the Naqsh-e Rustam Necropolis. It was Persian tradition that kings begin constructing their own tombs while they were still alive. Artaxerxes I was immediately succeeded by his eldest and only legitimate son, Xerxes II. However, after a few days on the throne, he was assassinated while drunk by Pharnacyas and Menostanes on the orders of his illegitimate brother Sogdianus, who apparently had gained the support of his regions. He reigned for six months and fifteen days before being captured by his half-brother, Ochus, who had rebelled against him. Sogdianus was executed by being suffocated in ash because Ochus had promised he would not die by the sword, by poison or by hunger. Ochus then took the royal name Darius II. Darius' ability to defend his position on the throne ended the short power vacuum.

From 412 BC Darius II, at the insistence of Tissaphernes, gave support first to Athens, then to Sparta, but in 407 BC, Darius' son Cyrus the Younger was appointed to replace Tissaphernes and aid was given entirely to Sparta which finally defeated Athens in 404 BC. In the same year, Darius fell ill and died in Babylon. His death gave an Egyptian rebel named Amyrtaeus the opportunity to throw off Persian control over Egypt. At his death bed, Darius' Babylonian wife Parysatis pleaded with him to have her second eldest son Cyrus (the Younger) crowned, but Darius refused. Queen Parysatis favoured Cyrus more than her eldest son Artaxerxes II. Plutarch relates (probably on the authority of Ctesias) that the displaced Tissaphernes came to the new king on his coronation day to warn him that his younger brother Cyrus (the Younger) was preparing to assassinate him during the ceremony. Artaxerxes had Cyrus arrested and would have had him executed if their mother Parysatis had not intervened. Cyrus was then sent back as Satrap of Lydia, where he prepared an armed rebellion. Cyrus assembled a large army, including a contingent of Ten Thousand Greek mercenaries, and made his way deeper into Persia. The army of Cyrus was stopped by the royal Persian army of Artaxerxes II at Cunaxa in 401 BC, where Cyrus was killed. The Ten Thousand Greek Mercenaries including Xenophon were now deep in Persian territory and were at risk of attack. So they searched for others to offer their services to but eventually had to return to Greece.

Artaxerxes II was the longest reigning of the Achaemenid kings and it was during this 45-year period of relative peace and stability that many of the monuments of the era were constructed. Artaxerxes moved the capital back to Persepolis, which he greatly extended. Also, the summer capital at Ecbatana was lavishly extended with gilded columns and roof tiles of silver and copper. The extraordinary innovation of the Zoroastrian shrines can also be dated to his reign, and it was probably during this period that Zoroastrianism spread from Armenia throughout Asia Minor and the Levant. The construction of temples, though serving a religious purpose, was not a purely selfless act, as they also served as an important source of income. From the Babylonian kings, the Achaemenids had taken over the concept of a mandatory temple tax, a one-tenth tithe which all inhabitants paid to the temple nearest to their land or another source of income. A share of this income called the ''Quppu Sha Sharri'', "king's chest"—an ingenious institution originally introduced by Nabonidus—was then turned over to the ruler. In retrospect, Artaxerxes is generally regarded as an amiable man who lacked the moral fiber to be a really successful ruler. However, six centuries later Ardeshir I, founder of the Sasanian Empire, would consider himself Artaxerxes' successor, a grand testimony to the importance of Artaxerxes to the Persian psyche.

Artaxerxes II became involved in a war with Persia's erstwhile allies, the Spartans, who, under Agesilaus II, invaded Asia Minor. In order to redirect the Spartans' attention to Greek affairs, Artaxerxes II subsidized their enemies: in particular the Athenians, Thebans and Corinthians. These subsidies helped to engage the Spartans in what would become known as the Corinthian War. In 387 BC, Artaxerxes II betrayed his allies and came to an arrangement with Sparta, and in the Treaty of Antalcidas he forced his erstwhile allies to come to terms. This treaty restored control of the Greek cities of Ionia and Aeolis on the Anatolian coast to the Persians while giving Sparta dominance on the Greek mainland. In 385 BC he campaigned against the Cadusians. Although successful against the Greeks, Artaxerxes II had more trouble with the Egyptians, who had successfully revolted against him at the beginning of his reign. An attempt to reconquer Egypt in 373 BC was completely unsuccessful, but in his waning years the Persians did manage to defeat a joint Egyptian–Spartan effort to conquer Phoenicia. He quashed the Revolt of the Satraps in 372–362 BC. He is reported to have had a number of wives. His main wife was Stateira, until she was poisoned by Artaxerxes II's mother Parysatis in about 400 BC. Another chief wife was a Greek woman of Phocaea named Aspasia (not the same as the concubine of Pericles). Artaxerxes II is said to have had more than 115 sons from 350 wives.

In 358 BC Artaxerxes II died and was succeeded by his son Artaxerxes III. In 355 BC, Artaxerxes III forced Athens to conclude a peace which required the city's forces to leave Asia Minor and to acknowledge the independence of its rebellious allies. Artaxerxes started a campaign against the rebellious Cadusians, but he managed to appease both of the Cadusian kings. One individual who successfully emerged from this campaign was Darius Codomannus, who later occupied the Persian throne as Darius III.

Artaxerxes III then ordered the disbanding of all the satrapal armies of Asia Minor, as he felt that they could no longer guarantee peace in the west and was concerned that these armies equipped the western satraps with the means to revolt. The order was however ignored by Artabazos II of Phrygia, who asked for the help of Athens in a rebellion against the king. Athens sent assistance to Sardis. Orontes of Mysia also supported Artabazos and the combined forces managed to defeat the forces sent by Artaxerxes III in 354 BC. However, in 353 BC, they were defeated by Artaxerxes III's army and were disbanded. Orontes was pardoned by the king, while Artabazos fled to the safety of the court of Philip II of Macedon. In around 351 BC, Artaxerxes embarked on a campaign to recover Egypt, which had revolted under his father, Artaxerxes II. At the same time, a rebellion had broken out in Asia Minor, which, being supported by Thebes, threatened to become serious. Levying a vast army, Artaxerxes marched into Egypt and engaged Nectanebo II. After a year of fighting the Egyptian Pharaoh, Nectanebo inflicted a crushing defeat on the Persians with the support of mercenaries led by the Greek generals Diophantus and Lamius. Artaxerxes was compelled to retreat and postpone his plans to reconquer Egypt. Soon after this defeat, there were rebellions in Phoenicia, Asia Minor and Cyprus.

In 343 BC, Artaxerxes committed responsibility for the suppression of the Cyprian rebels to Idrieus, prince of Caria, who employed 8,000 Greek mercenaries and forty triremes, commanded by Phocion the Athenian, and Evagoras, son of the elder Evagoras, the Cypriot monarch. Idrieus succeeded in reducing Cyprus. Artaxerxes initiated a counter-offensive against Sidon by commanding Belesys, satrap of Syria, and Mazaeus, satrap of Cilicia, to invade the city and to keep the Phoenicians in check. Both satraps suffered crushing defeats at the hands of Tennes, the Sidonese king, who was aided by 40,000 Greek mercenaries sent to him by Nectanebo II and commanded by Mentor of Rhodes. As a result, the Persian forces were driven out of Phoenicia.

After this, Artaxerxes personally led an army of 330,000 men against Sidon. Artaxerxes' army comprised 300,000-foot soldiers, 30,000 cavalry, 300 triremes, and 500 transports or provision ships. After gathering this army, he sought assistance from the Greeks. Though refused aid by Athens and Sparta, he succeeded in obtaining a thousand Theban heavy-armed hoplites under Lacrates, three thousand Argives under Nicostratus, and six thousand Æolians, Ionians, and Dorians from the Greek cities of Asia Minor. This Greek support was numerically small, amounting to no more than 10,000 men, but it formed, together with the Greek mercenaries from Egypt who went over to him afterward, the force on which he placed his chief reliance, and to which the ultimate success of his expedition was mainly due. The approach of Artaxerxes sufficiently weakened the resolution of Tennes that he endeavoured to purchase his own pardon by delivering up 100 principal citizens of Sidon into the hands of the Persian king and then admitting Artaxerxes within the defences of the town. Artaxerxes had the 100 citizens transfixed with javelins, and when 500 more came out as supplicants to seek his mercy, Artaxerxes consigned them to the same fate. Sidon was then burnt to the ground, either by Artaxerxes or by the Sidonian citizens. Forty thousand people died in the conflagration. Artaxerxes sold the ruins at a high price to speculators, who calculated on reimbursing themselves by the treasures which they hoped to dig out from among the ashes. Tennes was later put to death by Artaxerxes. Artaxerxes later sent Jews who supported the revolt to Hyrcania on the south coast of the Caspian Sea.

Second conquest of Egypt

The reduction of Sidon was followed closely by the invasion of Egypt. In 343 BC, Artaxerxes, in addition to his 330,000 Persians, had now a force of 14,000 Greeks furnished by the Greek cities of Asia Minor: 4,000 under Mentor, consisting of the troops that he had brought to the aid of Tennes from Egypt; 3,000 sent by Argos; and 1,000 from Thebes. He divided these troops into three bodies, and placed at the head of each a Persian and a Greek. The Greek commanders were Lacrates of Thebes, Mentor of Rhodes and Nicostratus of Argos while the Persians were led by Rhossaces, Aristazanes, and Bagoas, the chief of the eunuchs. Nectanebo II resisted with an army of 100,000 of whom 20,000 were Greek mercenaries. Nectanebo II occupied the Nile and its various branches with his large navy.

The character of the country, intersected by numerous canals and full of strongly fortified towns, was in his favour and Nectanebo II might have been expected to offer a prolonged, if not even a successful, resistance. However, he lacked good generals, and, over-confident in his own powers of command, he was out-maneuvered by the Greek mercenary generals, and his forces were eventually defeated by the combined Persian armies. After his defeat, Nectanebo hastily fled to Memphis, leaving the fortified towns to be defended by their garrisons. These garrisons consisted of partly Greek and partly Egyptian troops; between whom jealousies and suspicions were easily sown by the Persian leaders. As a result, the Persians were able to rapidly reduce numerous towns across Lower Egypt and were advancing upon Memphis when Nectanebo decided to quit the country and flee southwards to Ethiopia. The Persian army completely routed the Egyptians and occupied the Lower Delta of the Nile. Following Nectanebo fleeing to Ethiopia, all of Egypt submitted to Artaxerxes. The Jews in Egypt were sent either to Babylon or to the south coast of the Caspian Sea, the same location that the Jews of Phoenicia had earlier been sent.

After this victory over the Egyptians, Artaxerxes had the city walls destroyed, started a reign of terror, and set about looting all the temples. Persia gained a significant amount of wealth from this looting. Artaxerxes also raised high taxes and attempted to weaken Egypt enough that it could never revolt against Persia. For the 10 years that Persia controlled Egypt, believers in the native religion were persecuted and sacred books were stolen. Before he returned to Persia, he appointed Pherendares as satrap of Egypt. With the wealth gained from his reconquering Egypt, Artaxerxes was able to amply reward his mercenaries. He then returned to his capital having successfully completed his invasion of Egypt.

After his success in Egypt, Artaxerxes returned to Persia and spent the next few years effectively quelling insurrections in various parts of the Empire so that a few years after his conquest of Egypt, the Persian Empire was firmly under his control. Egypt remained a part of the Persian Empire until Alexander the Great's conquest of Egypt.

After the conquest of Egypt, there were no more revolts or rebellions against Artaxerxes. Mentor and Bagoas, the two generals who had most distinguished themselves in the Egyptian campaign, were advanced to posts of the highest importance. Mentor, who was governor of the entire Asiatic seaboard, was successful in reducing to subjection many of the chiefs who during the recent troubles had rebelled against Persian rule. In the course of a few years, Mentor and his forces were able to bring the whole Asian Mediterranean coast into complete submission and dependence.

Bagoas went back to the Persian capital with Artaxerxes, where he took a leading role in the internal administration of the Empire and maintained tranquillity throughout the rest of the Empire. During the last six years of the reign of Artaxerxes III, the Persian Empire was governed by a vigorous and successful government.

The Persian forces in Ionia and Lycia regained control of the Aegean and the Mediterranean Sea and took over much of Athens' former island empire. In response, Isocrates of Athens started giving speeches calling for a 'crusade against the barbarians' but there was not enough strength left in any of the Greek city-states to answer his call.

Although there were no rebellions in the Persian Empire itself, the growing power and territory of Philip II of Macedon in Macedon (against which Demosthenes was in vain warning the Athenians) attracted the attention of Artaxerxes. In response, he ordered that Persian influence was to be used to check and constrain the rising power and influence of the Macedonian kingdom. In 340 BC, a Persian force was dispatched to assist the Thracian prince, Cersobleptes, to maintain his independence. Sufficient effective aid was given to the city of Perinthus that the numerous and well-appointed army with which Philip had commenced his siege of the city was compelled to give up the attempt. By the last year of Artaxerxes' rule, Philip II already had plans in place for an invasion of the Persian Empire, which would crown his career, but the Greeks would not unite with him.

In 338 BC Artaxerxes was poisoned by Bagoas with the assistance of a physician.

Fall of the empire

Artaxerxes III was succeeded by Artaxerxes IV Arses, who before he could act was also poisoned by Bagoas. Bagoas is further said to have killed not only all Arses' children, but many of the other princes of the land. Bagoas then placed Darius III, a nephew of Artaxerxes IV, on the throne. Darius III, previously Satrap of Armenia, personally forced Bagoas to swallow poison. In 334 BC, when Darius was just succeeding in subduing Egypt again, Alexander and his battle-hardened troops invaded Asia Minor.

Alexander the Great (Alexander III of Macedon) defeated the Persian armies at Granicus (334 BC), followed by Issus (333 BC), and lastly at Gaugamela (331 BC). Afterwards, he marched on Susa and Persepolis which surrendered in early 330 BC. From Persepolis, Alexander headed north to Pasargadae, where he visited the tomb of Cyrus, the burial of the man whom he had heard of from the ''Cyropedia''.

In the ensuing chaos created by Alexander's invasion of Persia, Cyrus's tomb was broken into and most of its luxuries were looted. When Alexander reached the tomb, he was horrified by the manner in which it had been treated, and questioned the Magi, putting them on trial. By some accounts, Alexander's decision to put the Magi on trial was more an attempt to undermine their influence and display his own power than a show of concern for Cyrus's tomb. Regardless, Alexander the Great ordered Aristobulus to improve the tomb's condition and restore its interior, showing respect for Cyrus. From there he headed to Ecbatana, where Darius III had sought refuge.

Darius III was taken prisoner by Bessus, his Bactrian satrap and kinsman. As Alexander approached, Bessus had his men murder Darius III and then declared himself Darius' successor, as Artaxerxes V, before retreating into Central Asia leaving Darius' body in the road to delay Alexander, who brought it to Persepolis for an honourable funeral. Bessus would then create a coalition of his forces, in order to create an army to defend against Alexander. Before Bessus could fully unite with his confederates at the eastern part of the empire, Alexander, fearing the danger of Bessus gaining control, found him, put him on trial in a Persian court under his control, and ordered his execution in a "cruel and barbarous manner."

Alexander generally kept the original Achaemenid administrative structure, leading some scholars to dub him as "the last of the Achaemenids". Upon Alexander's death in 323 BC, his empire was divided among his generals, the Diadochi, resulting in a number of smaller states. The largest of these, which held sway over the Iranian plateau, was the Seleucid Empire, ruled by Alexander's general Seleucus I Nicator. Native Iranian rule would be restored by the Parthians of northeastern Iran over the course of the 2nd century BC.

Descendants in later Persian dynasties

;"Frataraka" Governors of the Seleucid Empire

Several later Persian rulers, forming the ''Frataraka'' dynasty, are known to have acted as representatives of the Seleucids in the region of Fārs. They ruled from the end of the 3rd century BC to the beginning of the 2nd century BC, and Vahbarz or Vādfradād I obtained independence circa 150 BC, when Seleucid power waned in the areas of southwestern Persia and the Persian Gulf region.

;Kings of Persis, under the Parthian Empire

During an apparent transitional period, corresponding to the reigns of Vādfradād II and another uncertain king, no titles of authority appeared on the reverse of their coins. The earlier title ''prtrk' zy alhaya'' (Frataraka) had disappeared. Under Dārēv I however, the new title of ''mlk'', or king, appeared, sometimes with the mention of ''prs'' (Persis), suggesting that the kings of Persis had become independent rulers.

When the Parthian Arsacid king Mithridates I (c. 171–138 BC) took control of Persis, he left the Persian dynasts in office, known as the Kings of Persis, and they were allowed to continue minting coins with the title of ''mlk'' ("King").

;Sasanian Empire

With the reign of Šābuhr, the son of Pāpag, the kingdom of Persis then became a part of the Sasanian Empire. Šābuhr's brother and successor, Ardaxšir (Artaxerxes) V, defeated the last legitimate Parthian king, Artabanos V in 224 AD, and was crowned at Ctesiphon as Ardaxšir I (Ardashir I), ''šāhanšāh ī Ērān'', becoming the first king of the new Sasanian Empire.

;Kingdom of Pontus
The Achaemenid line would also be carried on through the Kingdom of Pontus, based in the Pontus region of northern Asia Minor. This Pontic Kingdom, a state of Persian origin, may even have been directly related to Darius the Great and the Achaemenid dynasty. It was founded by Mithridates I in 281 BC and lasted until its conquest by the Roman Republic in 63 BC. The kingdom grew to its largest extent under Mithridates VI the Great, who conquered Colchis, Cappadocia, Bithynia, the Greek colonies of the Tauric Chersonesos and for a brief time the Roman province of Asia. Thus, this Persian dynasty managed to survive and prosper in the Hellenistic world while the main Persian Empire had fallen. Despite Greek influence on the Kingdom of Pontus, Pontics continued to maintain their Achaemenid lineage.

Both the later dynasties of the Parthians and Sasanians would on occasion claim Achaemenid descent. Recently there has been some corroboration for the Parthian claim to Achaemenid ancestry via the possibility of an inherited disease (neurofibromatosis) demonstrated by the physical descriptions of rulers and from the evidence of familial disease on ancient coinage.

Causes of decline

Part of the cause of the Empire's decline had been the heavy tax burden put upon the state, which eventually led to economic decline. An estimate of the tribute imposed on the subject nations was up to U.S. $180M per year. This does not include the material goods and supplies that were supplied as taxes.Will Durant, ''Our Oriental Heritage'', Simon and Schuster, Inc., New York, 1935, p. 363 After the high overhead of government—the military, the bureaucracy, whatever the satraps could safely dip into the coffers for themselves—this money went into the royal treasury. According to Diodorus, at Persepolis, Alexander III found some 180,000 Attic talents of silver besides the additional treasure the Macedonians were carrying that already had been seized in Damascus by Parmenion. This amounted to U.S. $2.7B. On top of this, Darius III had taken 8,000 talents with him on his flight to the north. Alexander put this static hoard back into the economy, and upon his death, some 130,000 talents had been spent on the building of cities, dockyards, temples, and the payment of the troops, besides the ordinary government expenses. Additionally, one of the satraps, Harpalus, had made off to Greece with some 6,000 talents, which Athens used to rebuild its economy after seizing it during the struggles with the Corinthian League. Due to the flood of money from Alexander's hoard entering Greece, however, a disruption in the economy occurred, in agriculture, banking, rents, the great increase in mercenary soldiers that cash allowed the wealthy, and an increase in piracy.

Another factor contributing to the decline of the Empire, in the period following Xerxes, was its failure to ever mold the many subject nations into a whole; the creation of a national identity was never attempted. This lack of cohesion eventually affected the efficiency of the military.

Government

Cyrus the Great founded the empire as a multi-state empire, governed from four capital cities: Pasargadae, Babylon, Susa and Ecbatana. The Achaemenids allowed a certain amount of regional autonomy in the form of the satrapy system. A satrapy was an administrative unit, usually organized on a geographical basis. A 'satrap' (governor) was the governor who administered the region, a 'general' supervised military recruitment and ensured order, and a 'state secretary' kept the official records. The general and the state secretary reported directly to the satrap as well as the central government. At differing times, there were between 20 and 30 satrapies.

Cyrus the Great created an organized army including the Immortals unit, consisting of 10,000 highly trained soldiers Cyrus also formed an innovative postal system throughout the empire, based on several relay stations called Chapar Khaneh.

Persepolis Administrative Archives provide many insights into the Achaemenid government system. Found at Persepolis in 1930s, they are mostly in ancient Elamite; the remains of more than 10,000 of these cuneiform documents have been uncovered. Aramaic is represented by about 1,000 or more original records. Only one tablet in the Old Persian has been identified so far.

Also many seals and seal impressions are found in these Persepolis archives. These documents represent administrative activity and flow of data in Persepolis over more than fifty consecutive years (509 to 457 BC).

Achaemenid coinage

The Persian daric was the first gold coin which, along with a similar silver coin, the siglos, introduced the bimetallic monetary standard of the Achaemenid Persian Empire which has continued till today.Michael Alram
"DARIC"
, ''Encyclopaedia Iranica'', 15 December 1994, last updated 17 November 2011 This was accomplished by Darius the Great, who reinforced the empire and expanded Persepolis as a ceremonial capital; he revolutionized the economy by placing it on the silver and gold coinage.

Tax districts

Darius also introduced a regulated and sustainable tax system that was precisely tailored to each satrapy, based on their supposed productivity and their economic potential. For instance, Babylon was assessed for the highest amount and for a startling mixture of commodities – 1,000 silver talents, four months' supply of food for the army. India was clearly already fabled for its gold; Egypt was known for the wealth of its crops; it was to be the granary of the Persian Empire (as later of Rome's) and was required to provide 120,000 measures of grain in addition to 700 talents of silver. This was exclusively a tax levied on subject peoples. There is evidence that conquered and/or rebellious enemies could be sold into slavery. Alongside its other innovations in administration and taxation, the Achaemenids may have been the first government in the ancient Near East to register private slave sales and tax them using an early form of sales tax.

Other accomplishments of Darius' reign included the codification of the ''dāta'' (a universal legal system which would become the basis of later Iranian law), and the construction of a new capital at Persepolis.

Transportation and communication

Under the Achaemenids, trade was extensive and there was an efficient infrastructure that facilitated the exchange of commodities in the far reaches of the empire. Tariffs on trade, along with agriculture and tribute, were major sources of revenue for the empire.

The satrapies were linked by a 2,500-kilometer highway, the most impressive stretch being the Royal Road from Susa to Sardis, built by command of Darius I. It featured stations and caravanserais at specific intervals. The relays of mounted couriers (the angarium) could reach the remotest of areas in fifteen days. Herodotus observes that "there is nothing in the world that travels faster than these Persian couriers. Neither snow, nor rain, nor heat, nor gloom of night stays these courageous couriers from the swift completion of their appointed rounds." Despite the relative local independence afforded by the satrapy system, royal inspectors, the "eyes and ears of the king", toured the empire and reported on local conditions.

Another highway of commerce was the Great Khorasan Road, an informal mercantile route that originated in the fertile lowlands of Mesopotamia and snaked through the Zagros highlands, through the Iranian plateau and Afghanistan into the Central Asian regions of Samarkand, Merv and Ferghana, allowing for the construction of frontier cities like Cyropolis. Following Alexander's conquests, this highway allowed for the spread of cultural syncretic fusions like Greco-Buddhism into Central Asia and China, as well as empires like the Kushan, Indo-Greek and Parthian to profit from trade between East and West. This route was greatly rehabilitated and formalized during the Abbasid Caliphate, during which it developed into a major component of the famed Silk Road.

Military

Despite its humble origins in Persis, the empire reached an enormous size under the leadership of Cyrus the Great. Cyrus created a multi-state empire where he allowed regional rulers, called the "satrap", to rule as his proxy over a certain designated area of his empire called the satrapy. The basic rule of governance was based upon loyalty and obedience of each satrapy to the central power, or the king, and compliance with tax laws. Due to the ethno-cultural diversity of the subject nations under the rule of Persia, its enormous geographic size, and the constant struggle for power by regional competitors, the creation of a professional army was necessary for both maintenance of the peace and to enforce the authority of the king in cases of rebellion and foreign threat. Cyrus managed to create a strong land army, using it to advance in his campaigns in Babylonia, Lydia, and Asia Minor, which after his death was used by his son Cambyses II, in Egypt against Psamtik III. Cyrus would die battling a local Iranian insurgency in the empire, before he could have a chance to develop a naval force. That task would fall to Darius the Great, who would officially give Persians their own royal navy to allow them to engage their enemies on multiple seas of this vast empire, from the Black Sea and the Aegean Sea, to the Persian Gulf, Ionian Sea and the Mediterranean Sea.

Military composition

The empire's great armies were, like the empire itself, very diverse, having: Persians,Herodotu
VII, 84
Macedonians, European Thracians, Paeonians, Medes, Achaean Greeks, Cissians, Hyrcanians,Herodotu
VII, 62
Assyrians, Chaldeans,Herodotu
VII, 63
Bactrians, Sacae,Herodotu
VII, 64
Arians, Parthians, Caucasian Albanians,Chaumont, M.L
Albania
. "Encyclopædia Iranica. Chorasmians, Sogdians, Gandarians, Dadicae,Herodotu
VII, 66
Caspians, Sarangae, Pactyes,Herodotu
VII, 67
Utians, Mycians, Phoenicians, Judeans, Egyptians,Herodotu
VII, 89
Cyprians,Herodotu
VII 90
Cilicians, Pamphylians, Lycians, Dorians of Asia, Carians, Ionians, Aegean islanders, Aeolians, Greeks from Pontus, Paricanians,Herodotu
VII, 68
Arabians, Ethiopians of Africa,Herodotu
VII, 69
Ethiopians of Baluchistan,Herodotu
VII, 70
Libyans,Herodotu
VII, 71
Paphlagonians, Ligyes, Matieni, Mariandyni, Cappadocians,Herodotu
VII, 72
Phrygians, Armenians,Herodotu
VII, 73
Lydians, Mysians,Herodotu
VII, 74
Asian Thracians,Herodotus
VII, 75
Lasonii, Milyae,Herodotu
VII, 77
Moschi, Tibareni, Macrones, Mossynoeci,Herodotu
VII, 78
Mares, Colchians, Alarodians, Saspirians,Herodotu
VII, 79
Red Sea islanders,Herodotu
VII, 80
Sagartians,Herodotu
VII, 85
Indians,Herodotu
VII, 65
Eordi, Bottiaei, Chalcidians, Brygians, Pierians, Perrhaebi, Enienes, Dolopes, and Magnesians.

Infantry

The Achaemenid infantry consisted of three groups: the Immortals, the Sparabara, and the Takabara, though in the later years of the Achaemenid Empire, a fourth group, the Cardaces, were introduced.

The Immortals were described by Herodotus as being heavy infantry, led by Hydarnes, that were kept constantly at a strength of exactly 10,000 men. He claimed that the unit's name stemmed from the custom that every killed, seriously wounded, or sick member was immediately replaced with a new one, maintaining the numbers and cohesion of the unit. They had wicker shields, short spears, swords or large daggers, bow and arrow. Underneath their robes they wore scale armour