Hephthalites in the context of "Old Iranian languages"

Tajikistan, officially the Republic of Tajikistan, is a landlocked country in Central Asia. Dushanbe is its capital and most populous city. Tajikistan borders Afghanistan to the south, Uzbekistan to the west, Kyrgyzstan to the north, and China to the east and is narrowly separated from Pakistan by Afghanistan's Wakhan Corridor. It has a population of more than 10.7 million people.

The territory was previously home to cultures of the Neolithic and the Bronze Age, including the Oxus civilisation in west, with the Indo-Iranians arriving during the Andronovo culture. Parts of country were part of the Sogdian and Bactrian civilisations, and was ruled by those including the Achaemenids, Alexander the Great, the Greco-Bactrians, the Kushans, the Kidarites and Hephthalites, the First Turkic Khaganate, the Umayyad and Abbasid Caliphates, the Samanid Empire, the Kara-Khanids, Seljuks, Khwarazmians, the Mongols, Timurids and Khanate of Bukhara. The region was later conquered by the Russian Empire, before becoming part of the Soviet Union. Within the Soviet Union, the country's borders were drawn when it was part of Uzbekistan as an autonomous republic before becoming a constituent republic of the Soviet Union on 5 December 1929.

The Iranian languages, or the Iranic languages, are a branch of the Indo-Iranian languages in the Indo-European language family that are spoken natively by the Iranian peoples, mainly in the Iranian Plateau.

The Iranian languages are grouped in three stages: Old Iranian (until 400 BCE), Middle Iranian (400 BCE – 900 CE) and New Iranian (since 900 CE). The two directly attested Old Iranian languages are Old Persian (from the Achaemenid Empire) and Old Avestan (the language of the Avesta). Avesta predates Old Iranian language, Old Avestan (c. 1500 – 900 BCE)[8] and Younger Avestan (c. 900 – 400 BCE).[9] Of the Middle Iranian languages, the better understood and recorded ones are Middle Persian (from the Sasanian Empire), Parthian (from the Parthian Empire), and Bactrian (from the Kushan and Hephthalite empires).

Turkestan, also spelled Turkistan, is a historical name for the part of Asia lying between the Caspian Sea to the west, Siberia to the north, the Gobi Desert to the east, and Iran, Afghanistan, Pakistan, and Tibet to the south. Turkestan is primarily inhabited by Turkic peoples, as well as Russian and Tajik-Persian minorities. It is subdivided into West Turkestan, which historically belonged to Russia, and East Turkistan or Xinjiang, which forms part of China.

Throughout history, the region has been exposed to the invasion of several different groups and kingdoms, including the Huns, Hepthalites, Bactrians, Imperial China, Arab Caliphate, Hellenistic Macedonian Empire, Achaemenid Empire, as well as various Turkic states and the Mongol Empire. The Qara Khitai also briefly controlled a significant bulk of Turkestan.

Chandragupta II (r.c. 375–415), also known by his title Vikramaditya, as well as Chandragupta Vikramaditya, was an emperor of the Gupta Empire. Modern scholars generally identify him with King Chandra of the Delhi iron pillar inscription.

He continued the expansionist policy of his father Samudragupta through military conquests and marital alliances. Historical evidence attests to his remarkable victories, which include the defeat of the Sassanids, the conquest of the Western Kshatrapas and the vassalization of the Hunas. Under the reign of Chandragupta II, the Gupta Empire reached its zenith, directly controlling a vast territory which stretched from the Oxus River in the west to the Bengal region in the east, and from the foothills of the Himalayas in the north to the Narmada River in the south. Chandragupta II expanded his influence and indirectly ruled over the Kuntala region of Karnataka through a marriage alliance with Kadambas, and during his daughter Prabhavatigupta's 20-year-long regency, he effectively integrated the Vakataka kingdom into the Gupta Empire.

The Rouran Khaganate (Chinese:柔然; Róurán), also known as Ruanruan or Juan-juan (蠕蠕; Ruǎnruǎn) (or variously Jou-jan, Ruruan, Ju-juan, Ruru, Ruirui, Rouru, Rouruan or Tantan), was a tribal confederation and later state. The Rouran state was undoubtedly multi-ethnic. As the ancient sources regard the Rouran as a separate branch of the Xiongnu Book of Song and Book of Liang connected Rourans to the earlier Xiongnu while the Book of Wei connected them to Proto-Mongolic Donghu. The Rouran supreme rulers used the title of khagan, a popular title borrowed from the Xianbei. The Rouran Khaganate lasted from the late 4th century until the middle 6th century with territory that covered all of modern-day Mongolia and Inner Mongolia, as well as parts of Manchuria in Northeast China, Eastern Siberia, Xinjiang, and Kazakhstan. The Hephthalites were vassals of the Rouran Khaganate until the beginning of the 5th century, with the royal house of Rourans intermarrying with the royal houses of the Hephthalites. The Rouran Khaganate ended when they were defeated by a Göktürk rebellion at the peak of their power, which subsequently led to the rise of the Turks in world history.

Their Khaganate overthrown, some Rouran remnants possibly became Tatars while others possibly migrated west and became the Pannonian Avars (known by such names as Varchonites or Pseudo Avars), who settled in Pannonia (centred on modern Hungary) during the 6th century. These Avars were pursued into the Byzantine Empire by the Göktürks, who referred to the Avars as a slave or vassal people, and requested that the Byzantines expel them. While this Rouran-Avars link remains a controversial theory, a recent DNA study has confirmed the genetic origins of the Avar elite as originating from the Mongolian plains. Other theories instead link the origins of the Pannonian Avars to peoples such as the Uar.

Dushanbe is the capital and largest city of Tajikistan. As of February 2023, Dushanbe had a population of 1,228,400, with this population being largely Tajik. Until 1929, the city was known in Russian as Dyushambe, and from 1929 to 1961 as Stalinabad, after Joseph Stalin. Dushanbe is located in the Gissar Valley, bounded by the Gissar Range in the north and east and the Babatag, Aktau, Rangontau and Karatau mountains in the south, and has an elevation of 750–930 m. The city is divided into four districts: Ismail Samani, Avicenna, Ferdowsi, and Shah Mansur.

In ancient times, what is now or is close to modern Dushanbe was settled by various empires and peoples, including Mousterian tool-users, various neolithic cultures, the Achaemenid Empire, Greco-Bactria, the Kushan Empire, and Hephthalites. In the Middle Ages, more settlements began near modern-day Dushanbe such as Hulbuk and its famous palace. From the 17th to early 20th century, Dushanbe grew into a market village controlled at times by the Beg of Hisor, Balkh, and finally Bukhara, before being conquered by the Russian Empire. Dushanbe was captured by the Bolsheviks in 1922, and the town was made the capital of the Tajik Autonomous Soviet Socialist Republic in 1924, which commenced Dushanbe's development and rapid population growth that continued until the Tajik Civil War. After the war, the city became capital of an independent Tajikistan and continued its growth and development into a modern city, today home to many international conferences.

The Kidarites, or Kidara Huns, were a dynasty that ruled Bactria and adjoining parts of Central Asia and India in the 4th and 5th centuries. The Kidarites belonged to a complex group of peoples known collectively in India as the Huna, and in Europe as the Chionites (from the Iranian names Xwn/Xyon), and may even be considered as identical to the Chionites. The 5th century Byzantine historian Priscus called them Kidarite Huns, or "Huns who are Kidarites". Chinese annals referred to them as the Ta Yüeh-chih, or Lesser Yüeh-chih. The Huna/Xionite tribes are often linked, albeit controversially, to the Huns who invaded Eastern Europe around the same period. They are entirely different from the Hephthalites, who replaced them about a century later.

The Kidarites were named after Kidara (Chinese: 寄多羅 Jiduoluo, MC: Kjie-ta-la) one of their main rulers. The Kidarites appear to have been a part of a Huna horde known in Latin sources as the "Kermichiones" (from the Iranian Karmir Xyon) or "Red Huna". The Kidarites established the first of four major Xionite/Huna states in Central Asia, followed by the Alchon, the Hephthalites and the Nezak.