Identify the first known king of bangal and point out his achievement ?

Shashanka was the first independent king of a unified polity in the Bengal region, called the Gauda Kingdom and is a major figure in Bengali history. He reigned in 7th century AD, some historians place his rule between circa 600 C.E and 636/7 C.E. Whereas other sources place his reign between 590 and 625 C.E.

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths