as 7,800 years ago according to some recent research.
It is its own independent branch of the family of the Indo-European languages .From the modern languages Greek seems to be the most closely related to Armenian.
In 405 ad, according to tradition, Armenian acquired the Armenian Alphabet, which consists of 38 characters, was created in 405 A.D. by a monk named Mesrop Mashtots (the original alphabet had 36 letters, two characters were added later). The first work of literature with the new alphabet was the translation of the Bible from Greek by Mashtots. This translation has been since regarded as a masterpiece by many linguists.
A literature appeared by the 5th century, and the written language of that era, called Grabar or Classical Armenian, with various changes remained the literary language until the 19th century and it is still used as a liturgical language. Independently, the spoken language developed into many dialects, not all mutually intelligible. A nationalist movement in the 19th century led to the creation of two slightly different modern literary dialects that are closer to the spoken language: Eastern, or Yerevan, Armenian and Western Armenian.
The Western Armenian used by the Armenian Diaspora and by the Armenians in Anatolia, while he Eastern Arminian is spoken by the Armenian people it is the official language of the Republic of Armenia.