Darius I (Old Persian: 𐎭𐎠𐎼𐎹𐎺𐎢𐏁 Dārayavaʰuš; Greek: Δαρεῖος Dareios; c. 550 – 486 BCE), commonly known as Darius the Great, was a Persian ruler who served as the third King of Kings of the Achaemenid Empire, reigning from 522 BCE until his death in 486 BCE. He ruled the empire at its territorial peak, when it included much of Western Asia, parts of the Balkans (Thrace–Macedonia and Paeonia) and the Caucasus, most of the Black Sea's coastal regions, Central Asia, the Indus Valley in the far east, and portions of North Africa and Northeast Africa including Egypt (Mudrâya), eastern Libya, and coastal Sudan.
|Darius the Great|
|King of Kings of the Achaemenid Empire|
|Reign||29 September 522 BCE – October 486 BCE|
|Pharaoh of Egypt|
|Reign||September 522 BCE – October 486 BCE|
|Born||c. 550 BCE|
|Died||October 486 BCE|
(aged approximately 64)
|Mother||Rhodogune or Irdabama|
|Religion||Indo-Iranian religion |
Darius ascended the throne by overthrowing the legitimate Achaemenid monarch Bardiya, whom he later fabricated to be an imposter named Gaumata. The new king met with rebellions throughout his kingdom and quelled them each time; a major event in Darius' life was his expedition to subjugate Greece and punish Athens and Eretria for their participation in the Ionian Revolt. Although his campaign ultimately resulted in failure at the Battle of Marathon, he succeeded in the re-subjugation of Thrace and expanded the Achaemenid Empire through his conquests of Macedon, the Cyclades and the island of Naxos as well as the sacked Greek city of Eretria.
Darius organized the empire by dividing it into administrative provinces that were governed by satraps. He organized Achaemenid coinage as a new uniform monetary system, and made Aramaic a co-official language of the empire alongside Persian. He also put the empire in better standing by building roads and introducing standard weighing and measuring systems. Through these changes, the Achaemenid Empire became centralized and unified. Darius worked on other construction projects throughout the empire, primarily focusing on Susa, Pasargadae, Persepolis, Babylon and Egypt. He had the cliff-face Behistun Inscription carved at Mount Behistun to record his conquests, which would later become an important testimony of the Old Persian language.
Dārīus and Dārēus are the Latin forms of the Greek Dareîos (Δαρεῖος), itself from Old Persian Dārayauš (𐎭𐎠𐎼𐎹𐎢𐏁, d-a-r-y-uš), which is a shortened form of Dārayavaʰuš (𐎭𐎠𐎼𐎹𐎺𐎢𐏁, d-a-r-y-v-u-š). The longer form is also seen to have been reflected in the Elamite Da-ri-(y)a-ma-u-iš, Babylonian Da-(a-)ri-ia-(a-)muš, Aramaic drywhwš (𐡃𐡓𐡉𐡅𐡄𐡅𐡔), and possibly the longer Greek form Dareiaîos (Δαρειαῖος). The name is a nominative form meaning "he who holds firm the good(ness)", which can be seen by the first part dāraya, meaning "holder", and the adverb vau, meaning "goodness".
At some time between his coronation and his death, Darius left a tri-lingual monumental relief on Mount Behistun, which was written in Elamite, Old Persian and Babylonian. The inscription begins with a brief autobiography including his ancestry and lineage. To aid the presentation of his ancestry, Darius wrote down the sequence of events that occurred after the death of Cyrus the Great. Darius mentions several times that he is the rightful king by the grace of the supreme deity Ahura Mazda. In addition, further texts and monuments from Persepolis have been found, as well as a clay tablet containing an Old Persian cuneiform of Darius from Gherla, Romania (Harmatta) and a letter from Darius to Gadates, preserved in a Greek text of the Roman period. In the foundation tablets of Apadana Palace, Darius described in Old Persian cuneiform the extent of his Empire in broad geographical terms:
Darius the great king, king of kings, king of countries, son of Hystaspes, an Achaemenid. King Darius says: This is the kingdom which I hold, from the Sacae who are beyond Sogdia to Kush, and from Sind (Old Persian: 𐏃𐎡𐎭𐎢𐎺, "Hidauv", locative of "Hiduš", i.e. "Indus valley") to Lydia (Old Persian: "Spardâ") – [this is] what Ahuramazda, the greatest of gods, bestowed upon me. May Ahuramazda protect me and my royal house!— DPh inscription of Darius I in the foundations of the Apadana Palace
Herodotus, a Greek historian and author of The Histories, provided an account of many Persian kings and the Greco-Persian Wars. He wrote extensively on Darius, spanning half of Book 3 along with Books 4, 5 and 6. It begins with the removal of the alleged usurper Gaumata and continues to the end of Darius's reign.
Darius was the eldest of five sons to Hystaspes. The identity of his mother is uncertain. According to the modern historian Alireza Shapour Shahbazi (1994), Darius' mother was a certain Rhodogune. However, according to Lloyd Llewellyn-Jones (2013), recently uncovered texts in Persepolis indicate that his mother was Irdabama, an affluent landowner descended from a family of local Elamite rulers. Richard Stoneman likewise refers Irdabama to as the mother of Darius. The Behistun Inscription of Darius states that his father was satrap of Bactria in 522 BCE.[a] According to Herodotus (III.139), Darius, prior to seizing power and "of no consequence at the time", had served as a spearman (doryphoros) in the Egyptian campaign (528–525 BCE) of Cambyses II, then the Persian Great King; this is often interpreted to mean he was the king's personal spear-carrier, an important role. Hystaspes was an officer in Cyrus' army and a noble of his court.
Before Cyrus and his army crossed the river Araxes to battle with the Armenians, he installed his son Cambyses II as king in case he should not return from battle. However, once Cyrus had crossed the Aras River, he had a vision in which Darius had wings atop his shoulders and stood upon the confines of Europe and Asia (the known world). When Cyrus awoke from the dream, he inferred it as a great danger to the future security of the empire, as it meant that Darius would one day rule the whole world. However, his son Cambyses was the heir to the throne, not Darius, causing Cyrus to wonder if Darius was forming treasonable and ambitious designs. This led Cyrus to order Hystaspes to go back to Persis and watch over his son strictly, until Cyrus himself returned.
There are different accounts of the rise of Darius to the throne from both Darius himself and Greek historians. The oldest records report a convoluted sequence of events in which Cambyses II lost his mind, murdered his brother Bardiya, and was killed by an infected leg wound. After this, Darius and a group of six nobles traveled to Sikayauvati to kill an usurper, Gaumata, who had taken the throne by pretending to be Bardiya during the true king's absence.
Darius's account, written at the Behistun Inscription, states that Cambyses II killed his own brother Bardiya, but that this murder was not known among the Iranian people. A would-be usurper named Gaumata came and lied to the people, stating he was Bardiya. The Iranians had grown rebellious against Cambyses's rule and on 11 March 522 BCE a revolt against Cambyses broke out in his absence. On 1 July, the Iranian people chose to be under the leadership of Gaumata, as "Bardiya". No member of the Achaemenid family would rise against Gaumata for the safety of their own life. Darius, who had served Cambyses as his lance-bearer until the deposed ruler's death, prayed for aid and in September 522 BCE, along with Otanes, Intaphrenes, Gobryas, Hydarnes, Megabyzus and Aspathines, killed Gaumata in the fortress of Sikayauvati.
Herodotus provides a dubious account of Darius's ascension: Several days after Gaumata had been assassinated, Darius and the other six nobles discussed the fate of the empire. At first, the seven discussed the form of government; a democratic republic (Isonomia) was strongly pushed by Otanes, an oligarchy was pushed by Megabyzus, while Darius pushed for a monarchy. After stating that a republic would lead to corruption and internal fighting, while a monarchy would be led with a single-mindedness not possible in other governments, Darius was able to convince the other nobles.
To decide who would become the monarch, six of them decided on a test, with Otanes abstaining, as he had no interest in being king. They were to gather outside the palace, mounted on their horses at sunrise, and the man whose horse neighed first in recognition of the rising sun would become king. According to Herodotus, Darius had a slave, Oebares, who rubbed his hand over the genitals of a mare that Darius's horse favored. When the six gathered, Oebares placed his hands beside the nostrils of Darius' horse, who became excited at the scent and neighed. This was followed by lightning and thunder, leading the others to dismount and kneel before Darius in recognition of his apparent divine providence. In this account, Darius himself claimed that he achieved the throne not through fraud, but cunning, even erecting a statue of himself mounted on his neighing horse with the inscription: "Darius, son of Hystaspes, obtained the sovereignty of Persia by the sagacity of his horse and the ingenious contrivance of Oebares, his groom."
According to the accounts of Greek historians, Cambyses II had left Patizeithes in charge of the kingdom when he headed for Egypt. He later sent Prexaspes to murder Bardiya. After the killing, Patizeithes put his brother Gaumata, a Magian who resembled Bardiya, on the throne and declared him the Great King. Otanes discovered that Gaumata was an impostor, and along with six other Iranian nobles including Darius, created a plan to oust the pseudo-Bardiya. After killing the impostor along with his brother Patizeithes and other Magians, Darius was crowned king the following morning.
The details regarding Darius' rise to power is generally acknowledged as forgery and was in reality used as a concealment of his overthrow and murder of Cyrus' rightful successor, Bardiya. To legitimize his rule, Darius had a common origin fabricated between himself and Cyrus by designating Achaemenes as the eponymous founder of their dynasty. In reality, Darius was not from the same house as Cyrus and his forebears, the rulers of Anshan.
Following his coronation at Pasargadae, Darius moved to Ecbatana. He soon learned that support for Bardiya was strong, and revolts in Elam and Babylonia had broken out. Darius ended the Elamite revolt when the revolutionary leader Aschina was captured and executed in Susa. After three months the revolt in Babylonia had ended. While in Babylonia, Darius learned a revolution had broken out in Bactria, a satrapy which had always been in favour of Darius, and had initially volunteered an army of soldiers to quell revolts. Following this, revolts broke out in Persis, the homeland of the Persians and Darius and then in Elam and Babylonia, followed by in Media, Parthia, Assyria, and Egypt.
By 522 BCE, there were revolts against Darius in most parts of the Achaemenid Empire leaving the empire in turmoil. Even though Darius did not seem to have the support of the populace, Darius had a loyal army, led by close confidants and nobles (including the six nobles who had helped him remove Gaumata). With their support, Darius was able to suppress and quell all revolts within a year. In Darius's words, he had killed a total of nine "lying kings" through the quelling of revolutions. Darius left a detailed account of these revolutions in the Behistun Inscription.
Elimination of IntaphernesEdit
One of the significant events of Darius's early reign was the slaying of Intaphernes, one of the seven noblemen who had deposed the previous ruler and installed Darius as the new monarch. The seven had made an agreement that they could all visit the new king whenever they pleased, except when he was with a woman. One evening, Intaphernes went to the palace to meet Darius, but was stopped by two officers who stated that Darius was with a woman. Becoming enraged and insulted, Intaphernes drew his sword and cut off the ears and noses of the two officers. While leaving the palace, he took the bridle from his horse, and tied the two officers together.
The officers went to the king and showed him what Intaphernes had done to them. Darius began to fear for his own safety; he thought that all seven noblemen had banded together to rebel against him and that the attack against his officers was the first sign of revolt. He sent a messenger to each of the noblemen, asking them if they approved of Intaphernes's actions. They denied and disavowed any connection with Intaphernes's actions, stating that they stood by their decision to appoint Darius as King of Kings. Darius' choice to ask the noblemen indicates that he was not yet completely sure of his authority.
Taking precautions against further resistance, Darius sent soldiers to seize Intaphernes, along with his son, family members, relatives and any friends who were capable of arming themselves. Darius believed that Intaphernes was planning a rebellion, but when he was brought to the court, there was no proof of any such plan. Nonetheless, Darius killed Intaphernes's entire family, excluding his wife's brother and son. She was asked to choose between her brother and son. She chose her brother to live. Her reasoning for doing so was that she could have another husband and another son, but she would always have but one brother. Darius was impressed by her response and spared both her brother's and her son's life.
After securing his authority over the entire empire, Darius embarked on a campaign to Egypt where he defeated the armies of the Pharaoh and secured the lands that Cambyses had conquered while incorporating a large portion of Egypt into the Achaemenid Empire.
Through another series of campaigns, Darius I would eventually reign over the territorial apex of the empire, when it stretched from parts of the Balkans (Thrace-Macedonia, Bulgaria-Paeonia) in the west, to the Indus Valley in the east.
Invasion of the Indus ValleyEdit
In 516 BCE, Darius embarked on a campaign to Central Asia, Aria and Bactria and then marched into Afghanistan to Taxila in modern-day Pakistan. Darius spent the winter of 516–515 BCE in Gandhara, preparing to conquer the Indus Valley. Darius conquered the lands surrounding the Indus River in 515 BCE. Darius I controlled the Indus Valley from Gandhara to modern Karachi and appointed the Greek Scylax of Caryanda to explore the Indian Ocean from the mouth of the Indus to Suez. Darius then marched through the Bolan Pass and returned through Arachosia and Drangiana back to Persia.
After Bardiya was murdered, widespread revolts occurred throughout the empire, especially on the eastern side. Darius asserted his position as king by force, taking his armies throughout the empire, suppressing each revolt individually. The most notable of all these revolts was the Babylonian revolt which was led by Nebuchadnezzar III. This revolt occurred when Otanes withdrew much of the army from Babylon to aid Darius in suppressing other revolts. Darius felt that the Babylonian people had taken advantage of him and deceived him, which resulted in Darius gathering a large army and marching to Babylon. At Babylon, Darius was met with closed gates and a series of defences to keep him and his armies out.
Darius encountered mockery and taunting from the rebels, including the famous saying "Oh yes, you will capture our city, when mules shall have foals." For a year and a half, Darius and his armies were unable to retake the city, though he attempted many tricks and strategies—even copying that which Cyrus the Great had employed when he captured Babylon. However, the situation changed in Darius's favour when, according to the story, a mule owned by Zopyrus, a high-ranking soldier, foaled. Following this, a plan was hatched for Zopyrus to pretend to be a deserter, enter the Babylonian camp, and gain the trust of the Babylonians. The plan was successful and Darius's army eventually surrounded the city and overcame the rebels.
During this revolt, Scythian nomads took advantage of the disorder and chaos and invaded Persia. Darius first finished defeating the rebels in Elam, Assyria, and Babylon and then attacked the Scythian invaders. He pursued the invaders, who led him to a marsh; there he found no known enemies but an enigmatic Scythian tribe.
European Scythian campaignEdit
The Scythians were a group of north Iranian nomadic tribes, speaking an Eastern Iranian language (Scythian languages) who had invaded Media, killed Cyrus in battle, revolted against Darius and threatened to disrupt trade between Central Asia and the shores of the Black Sea as they lived between the Danube River, River Don and the Black Sea.
Darius crossed the Black Sea at the Bosphorus Straits using a bridge of boats. Darius conquered large portions of Eastern Europe, even crossing the Danube to wage war on the Scythians. Darius invaded European Scythia in 513 BC, where the Scythians evaded Darius's army, using feints and retreating eastwards while laying waste to the countryside, by blocking wells, intercepting convoys, destroying pastures and continuous skirmishes against Darius's army. Seeking to fight with the Scythians, Darius's army chased the Scythian army deep into Scythian lands, where there were no cities to conquer and no supplies to forage. In frustration Darius sent a letter to the Scythian ruler Idanthyrsus to fight or surrender. The ruler replied that he would not stand and fight with Darius until they found the graves of their fathers and tried to destroy them. Until then, they would continue their strategy as they had no cities or cultivated lands to lose.
Despite the evading tactics of the Scythians, Darius' campaign was so far relatively successful. As presented by Herodotus, the tactics used by the Scythians resulted in the loss of their best lands and of damage to their loyal allies. This gave Darius the initiative. As he moved eastwards in the cultivated lands of the Scythians in Eastern Europe proper, he remained resupplied by his fleet and lived to an extent off the land. While moving eastwards in the European Scythian lands, he captured the large fortified city of the Budini, one of the allies of the Scythians, and burnt it.
Darius eventually ordered a halt at the banks of Oarus, where he built "eight great forts, some eight miles [13 km] distant from each other", no doubt as a frontier defence. In his Histories, Herodotus states that the ruins of the forts were still standing in his day. After chasing the Scythians for a month, Darius's army was suffering losses due to fatigue, privation and sickness. Concerned about losing more of his troops, Darius halted the march at the banks of the Volga River and headed towards Thrace. He had conquered enough Scythian territory to force the Scythians to respect the Persian forces.
Persian invasion of GreeceEdit
Darius's European expedition was a major event in his reign, which began with the invasion of Thrace. Darius also conquered many cities of the northern Aegean, Paeonia, while Macedonia submitted voluntarily, after the demand of earth and water, becoming a vassal kingdom. He then left Megabyzus to conquer Thrace, returning to Sardis to spend the winter. The Greeks living in Asia Minor and some of the Greek islands had submitted to Persian rule already by 510 BCE. Nonetheless, there were certain Greeks who were pro-Persian, although these were largely based in Athens. To improve Greek-Persian relations, Darius opened his court and treasuries to those Greeks who wanted to serve him. These Greeks served as soldiers, artisans, statesmen and mariners for Darius. However, the increasing concerns amongst the Greeks over the strength of Darius's kingdom along with the constant interference by the Greeks in Ionia and Lydia were stepping stones towards the conflict that was yet to come between Persia and certain of the leading Greek city states.
When Aristagoras organized the Ionian Revolt, Eretria and Athens supported him by sending ships and troops to Ionia and by burning Sardis. Persian military and naval operations to quell the revolt ended in the Persian reoccupation of Ionian and Greek islands, as well as the re-subjugation of Thrace and the conquering of Macedonia in 492 BC under Mardonius. Macedon had been a vassal kingdom of the Persians since the late 6th century BC, but retained autonomy. Mardonius' 492 campaign made it a fully subordinate part of the Persian kingdom. These military actions, coming as a direct response to the revolt in Ionia, were the beginning of the First Persian invasion of (mainland) Greece. At the same time, anti-Persian parties gained more power in Athens, and pro-Persian aristocrats were exiled from Athens and Sparta.
Darius responded by sending troops led by his son-in-law across the Hellespont. However, a violent storm and harassment by the Thracians forced the troops to return to Persia. Seeking revenge on Athens and Eretria, Darius assembled another army of 20,000 men under his Admiral, Datis, and his nephew Artaphernes, who met success when they captured Eretria and advanced to Marathon. In 490 BCE, at the Battle of Marathon, the Persian army was defeated by a heavily armed Athenian army, with 9,000 men who were supported by 600 Plataeans and 10,000 lightly armed soldiers led by Miltiades. The defeat at Marathon marked the end of the first Persian invasion of Greece. Darius began preparations for a second force which he would command, instead of his generals; however, before the preparations were complete, Darius died, thus leaving the task to his son Xerxes.
Darius was the son of Hystaspes and the grandson of Arsames. Darius married Atossa, daughter of Cyrus, with whom he had four sons: Xerxes, Achaemenes, Masistes and Hystaspes. He also married Artystone, another daughter of Cyrus, with whom he had two sons, Arsames and Gobryas. Darius married Parmys, the daughter of Bardiya, with whom he had a son, Ariomardus. Furthermore, Darius married Phratagune, with whom he had two sons, Abrokomas and Hyperantes. He also married another woman of the nobility, Phaidyme, the daughter of Otanes. It is unknown if he had any children with her. Before these royal marriages, Darius had married an unknown daughter of his good friend and lance carrier Gobryas from an early marriage, with whom he had three sons, Artobazanes, Ariabignes and Arsamenes. Any daughters he had with her are not known. Although Artobazanes was Darius's first-born, Xerxes became heir and the next king through the influence of Atossa; she had great authority in the kingdom as Darius loved her the most of all his wives.
Death and successionEdit
After becoming aware of the Persian defeat at the Battle of Marathon, Darius began planning another expedition against the Greek-city states; this time, he, not Datis, would command the imperial armies. Darius had spent three years preparing men and ships for war when a revolt broke out in Egypt. This revolt in Egypt worsened his failing health and prevented the possibility of his leading another army. Soon afterwards, Darius died. In October 486 BCE, his body was embalmed and entombed in the rock-cut tomb at Naqsh-e Rostam, which he had been preparing. An inscription on his tomb introduces him as "Great King, King of Kings, King of countries containing all kinds of men, King in this great earth far and wide, son of Hystaspes, an Achaemenian, a Persian, son of a Persian, an Aryan [Iranian], having Aryan lineage." A relief under his tomb portraying an equestrian combat was later carved during the reign of the Sasanian King of Kings, Bahram II (r. 274–293 CE).
Xerxes, the eldest son of Darius and Atossa, succeeded to the throne as Xerxes I; before his accession, he had contested the succession with his elder half-brother Artobarzanes, Darius's eldest son, who was born to his first wife before Darius rose to power. With Xerxes' accession, the empire was again ruled by a member of the house of Cyrus.
Early in his reign, Darius wanted to reorganize the structure of the empire and reform the system of taxation he inherited from Cyrus and Cambyses. To do this, Darius created twenty provinces called satrapies (or archi) which were each assigned to a satrap (archon) and specified fixed tributes that the satrapies were required to pay. A complete list is preserved in the catalogue of Herodotus, beginning with Ionia and listing the other satrapies from west to east excluding Persis, which was the land of the Persians and the only province which was not a conquered land. Tributes were paid in both silver and gold talents. Tributes in silver from each satrap were measured with the Babylonian talent. Those paid in gold were measured with the Euboic talent. The total tribute from the satraps came to an amount less than 15,000 silver talents.
The majority of the satraps were of Persian origin and were members of the royal house or the six great noble families. These satraps were personally picked by Darius to monitor these provinces. Each of the provinces was divided into sub-provinces, each having its own governor, who was chosen either by the royal court or by the satrap. To assess tributes, a commission evaluated the expenses and revenues of each satrap. To ensure that one person did not gain too much power, each satrap had a secretary, who observed the affairs of the state and communicated with Darius; a treasurer, who safeguarded provincial revenues; and a garrison commander, who was responsible for the troops. Additionally, royal inspectors, who were the "eyes and ears" of Darius, completed further checks on each satrap.
The imperial administration was coordinated by the chancery with headquarters at Persepolis, Susa, and Babylon with Bactria, Ecbatana, Sardis, Dascylium and Memphis having branches. Darius kept Aramaic as the common language, which soon spread throughout the empire. However, Darius gathered a group of scholars to create a separate language system only used for Persis and the Persians, which was called Aryan script and was only used for official inscriptions. Before this, the accomplishments of the king were addressed in Persian solely through narration and hymns and through the "masters of memory". Indeed, oral history continued to play an important role throughout the history of Iran.
Darius introduced a new universal currency, the daric, sometime before 500 BCE. Darius used the coinage system as a transnational currency to regulate trade and commerce throughout his empire. The Daric was also recognized beyond the borders of the empire, in places such as Celtic Central Europe and Eastern Europe. There were two types of darics, a gold daric and a silver daric. Only the king could mint gold darics. Important generals and satraps minted silver darics, the latter usually to recruit Greek mercenaries in Anatolia. The daric was a major boost to international trade. Trade goods such as textiles, carpets, tools and metal objects began to travel throughout Asia, Europe and Africa. To further improve trade, Darius built the Royal Road, a postal system and Phoenician-based commercial shipping.
The daric also improved government revenues as the introduction of the daric made it easier to collect new taxes on land, livestock and marketplaces. This led to the registration of land which was measured and then taxed. The increased government revenues helped maintain and improve existing infrastructure and helped fund irrigation projects in dry lands. This new tax system also led to the formation of state banking and the creation of banking firms. One of the most famous banking firms was Murashu Sons, based in the Babylonian city of Nippur. These banking firms provided loans and credit to clients.
In an effort to further improve trade, Darius built canals, underground waterways and a powerful navy. He further improved and expanded the network of roads and way stations throughout the empire, so that there was a system of travel authorization for the King, satraps and other high officials, which entitled the traveller to draw provisions at daily stopping places.
"By the grace of Ahuramazda am I king; Ahuramazda has granted me the kingdom."
— Darius, on the Behistun Inscription
While there is no general consensus in scholarship whether Darius and his predecessors had been influenced by Zoroastrianism, it is well established that Darius was a firm believer in Ahura Mazda, whom he saw as the supreme deity. However, Ahura Mazda was also worshipped by adherents of the (Indo-)Iranian religious tradition. As can be seen at the Behistun Inscription, Darius believed that Ahura Mazda had appointed him to rule the Achaemenid Empire.
Darius had dualistic philosophical convictions and believed that each rebellion in his kingdom was the work of druj, the enemy of Asha. Darius believed that because he lived righteously by Asha, Ahura Mazda supported him. In many cuneiform inscriptions denoting his achievements, he presents himself as a devout believer, perhaps even convinced that he had a divine right to rule over the world.
In the lands that were conquered by his empire, Darius followed the same Achaemenid tolerance that Cyrus had shown and later Achaemenid kings would show. He supported faiths and religions that were "alien" as long as the adherents were "submissive and peaceable", sometimes giving them grants from his treasury for their purposes. He had funded the restoration of the Israelite temple which had originally been decreed by Cyrus, was supportive towards Greek cults which can be seen in his letter to Gadatas, and supported Elamite priests. He had also observed Egyptian religious rites related to kingship and had built the temple for the Egyptian god, Amun.
During Darius's Greek expedition, he had begun construction projects in Susa, Egypt and Persepolis. He had linked the Red Sea to the river Nile by building a canal (Darius Canal) which ran from modern Zaqāzīq to modern Suez. To open this canal, he travelled to Egypt in 497 BCE, where the inauguration was carried out with great fanfare and celebration. Darius also built a canal to connect the Red Sea and Mediterranean. On this visit to Egypt he erected monuments and executed Aryandes on the charge of treason. When Darius returned to Persis, he found that the codification of Egyptian law had been finished.
Additionally, Darius sponsored large construction projects in Susa, Babylon, Egypt, and Persepolis. In Susa, Darius built a new palace complex in the north of the city. An inscription states that the palace was destroyed during the reign of Artaxerxes I, but was rebuilt. Today only glazed bricks of the palace remain, the majority of them in the Louvre. In Pasargadae Darius finished all incomplete construction projects from the reign of Cyrus the Great. A palace was also built during the reign of Darius, with an inscription in the name of Cyrus the Great. It was previously believed that Cyrus had constructed this building, however due to the cuneiform script being used, the palace is believed to have been constructed by Darius.
In Egypt Darius built many temples and restored those that had previously been destroyed. Even though Darius was a believer of Ahura Mazda, he built temples dedicated to the Gods of the Ancient Egyptian religion. Several temples found were dedicated to Ptah and Nekhbet. Darius also created several roads and routes in Egypt. The monuments that Darius built were often inscribed in the official languages of the Persian Empire, Old Persian, Elamite and Babylonian and Egyptian hieroglyphs. To construct these monuments Darius employed a large number of workers and artisans of diverse nationalities. Several of these workers were deportees who had been employed specifically for these projects. These deportees enhanced the empire's economy and improved inter-cultural relations. At the time of Darius's death construction projects were still under way. Xerxes completed these works and in some cases expanded his father's projects by erecting new buildings of his own.
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