In the beggning Detroits main idea for it was to make a stronghold in it since the river would help defend a stronghold and also help with trade. The man who was going to carry out this plan was , Antoine de la Mothe Cadillac, to do this he convinced his father King Louis' Minister of Marine, of the postives of making a settlement here. Even though this started in 1697 to help stop the British from moving west ward the plan was not achived till July 24, 1701 as there where many who doubted Antoine.
Detroit thru 1760-1796
Thru 1760-1796 there where many fights breaking out over the french and brithish. But none of this mattered in the end becuase of one desive french victory in September 8, 1760, when General Amherst