Student or Learner
When Europeans who's first arrived here in the 17th century. Who was name Nacotchank lived around Anacostia river in Washington(currently). 1751, Georgetown was Marylan Provice approved the establishment on the north of Potomac River.
There are so many errors that I don't know where to start. Did you write this yourself or is it a direct translation? It looks like the kind of result you get from using something like Google Translate.
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.