The history of the Kushana Empire spans between the first and third centuries. It was an era that witnessed immense cultural, economic, political and geographical growth; marked with extensive wealth and growth of arts. Their rise to power marks an important period in the history of central Asia. They enjoyed close ties with countries such as China and Greece. Trade between various countries also brought forth a lot of changes in their lives. Religious changes included the expansion of the Buddhist faith. Hinduism, Iranian religious beliefs and Zoroastrianism also prospered.
When excavations were carried out at Taxila, they showed that the Kadphises preceded the Kanishka group of kings as coins of the Kadphises group, but not of Kanishka, Huvishka, etc. Early Kushana coins were decorated with inscriptions like the Great King, the King of Kings, the Son of Heaven, the Kushana.