The imperative is identical to the second person of Conjugation I in Middle Elamite. Its location serves as a landmark for Elamite studies. The inscription consists of 27 lines of writing in Old Persian, Babylonian, and Elamite. Anshan was still at least partially Elamite. Documents from the Old Elamite and early Neo-Elamite stages are rather scarce. There are inscriptions in Old Persian and Elamite. Behistun Inscription was written in three cuneiform scripts for Old Persian, Elamite, and Babylonian. During its early history, it fluctuated between submission to Mesopotamian and Elamite power. The Old Elamite period began around 2700 BC. The Sumerian calendar was the earliest, followed by the Egyptian, Assyrian and Elamite calendars. Note that some of the extant Linear Elamite inscriptions are suspected of being forgeries. Hence, Kashan dates back to the Elamite period of Iran. He encouraged the use of the Linear Elamite script, that remains undeciphered. In Achaemenid Elamite, only the third option exists. McAlpin (1975) in his study identified some similarities between Elamite and Dravidian.