The Seleucid empire came about after the death of Alexander, the disintegration of the macedonian empire.

The hellenistic empire by one of the commanders of Alexandria, selukos, was first capital city of seleucus and then antakya, they were the rulers of the eastern Mediterranean until they captured Iran, Turkmenistan, Pamir and India in the eastern Mediterranean, Iraq. They had cities close to, governed by governors with the title of strategos or satrap, they were considered smaller than the satraps in the Persian time.

The Salafites started to apply the state administration in the lands they ruled by taking the example of the Achaemenites, they continued the semi-autonomous structure by holding the central power in their hands.

It is known that Antiokhia established 5 laodikeia, 9 apameia and 3 strateonikieia cities, the seleucid kings founded the greek cities on their lands and gave them independent administration and autonomy, they help the newly established cities to keep the economic situation alive from the west and increase the profitable income and dynasties. Their support for the brand.

Separations from the empire of Alexander.

Alexander the Great died shortly after destroying the Persian empire, leaving no heir behind him, so the state was shared by the Henerals, one of these generals, one of the diadokis, seleucid, occupied and captured the entire region from the Balkans to India.

Rise and development of Seleukos

The generals of Alexander the Great were in constant war to gain superiority to each other, Ptolemaiso, one of the generals of Alexander the Great, and the king of the Egyptian region, opposed these wars, which led to the death of his first party, the result of this opposition faced a new division, 320 BC In the process of splitting at the beginning of the hair, trparadisus is called splitting.

But Seleukos, who was a camp commander until 323 BC, helped kill the monarch who came after Perdikkas, ensured the keeping of Babylon and declared his reign, Seleukos was officially declared in Babylon in 312 BC. This date is also the foundation date of the seleucid state, seleucid ruled not only in babel but also in all parts of alexander to the eastern ends of the macedonian empire.

He became the ruler of the region from the Phrygian country to the Indus river, he went to India and signed an agreement with the Indian king named Maurya, and expanded the eastern territory of his state thousands of square kilometers.

However, upon the death of the seleucus, the seleucids had a hard time controlling in the vast eastern lands, the seleucus occupied this land in 305 before Christ, opposing the maurian empire, prepared 600 hundred thousand soldiers and 9 thousand war elephants against the seleucids, but in war, Did not happen, the two kings withdrew from the indus region of selukos with an agreement they made.

The 1st period of attihiohos left the reign of his son in 281 and 261 BC, his son, who was his successor, in 261 and 246 BC, came to the nose with many wars in the western regions, they came to the nose with many wars in the western regions, and the gallons occupying the maize sunburst. The wars were fought, and as a result of these wars, the empire pushed the eastern parts together instead of its purpose, causing an increase in interest in western cities.

Antiohos, the son of the 2nd seleucus, started to rise again in 222 before the throne, the great antiohos declared war on Syria for the fourth time in the first years of his rule, he was defeated by the ptolemaisolar army, the seleujos army suffered a heavy defeat in the battle of raffia, but 3 The third antiohos proved to be the greatest ruler after the 1st seleucus.

In order to realize the idea that it called anabasis, anabasis reconstructed the party and greco bacterium from the cities that rebelled in the east.

During the period of 205 BC, the great antohos went to western expeditions, knowing his own opportunity upon the death of the 2nd ptolemy in Egypt.

The 4th antiocohos and the king of macedonia agreed with the 5 th philippos and shared all the matola of the ptolenaiis dynasty and the regions where the ptolemen ruled, after which the 5th Syrian war was launched, the seleucids, the Egyptians removed the Syrian, Syriac It was seized, the 4th antiochus finally restored the Seleucid empire to its former glory.

Civil war and the fragmentation of the country

After the death of the 4th antiocohos, the seleucid stability increased, constant civil wars started, the central authority was shaken.

The 5th antiokohos eupator was deposed from the throne by the son of the 4th seleucus filipetor, dimitrus soter, in the early 161 BC, and became the first seleucid monarch to be reigned in the reign, the 1st dimitrus rebuilt and regained his central authority in the city.