context: The first independent king of Bengal was Shashank, who ruled from 1 AD to 5 AD. He was probably an emperor under the Gupta emperors. He killed Harshavardhana's brother Rajyavardhan. He fought with Harshavardhan. As his power increased, Kamrup Raj Bhaskarvarman formed an alliance with his enemy, Harshavardhana. Shashanka Chalukya Raj II received the support of Pulakeshi against them. In Patliputra and Kushinagar destroyed many Buddhist Kirtis. After Shashanka's death in 8 CE, his kingdom collapsed. Shashanka was the first to outline Bengal.
question: Who was the first independent king of Great Bengal or Great Bengal?