Aramaic became the main international diplomatic language of the ancient Near East, including Mesopotamia, during the first millennium BCE.
Aramaic is a Semitic language that developed among Aramaean communities in Syria and northern Mesopotamia. Its use spread widely through trade, administration, and imperial government. The Neo-Assyrian Empire used Aramaic alongside Akkadian, and later Persian administrations adopted it as a practical language for communication across their large territories.
This does not mean that Aramaic replaced every other language immediately. Akkadian remained important in scholarly writing and royal traditions, while Sumerian continued in specialized religious and educational contexts. Aramaic’s advantage was its broad spoken and administrative use across different peoples.
Aramaic was commonly written in an alphabetic script, unlike cuneiform’s wedge impressions. It later developed into several important branches and dialects, including Syriac, Mandaic, and the varieties associated with Jewish and Christian communities. Its long history explains why related Aramaic languages remain significant in the study of the ancient Near East.