The Saguenay river on the gulf of st Lawrence
The Ottoman empire split because of ww1
and the Russian empire
hope this helps
I bet many things happened in 1790, on Brain.ly you need to be more specific. :)
Answer:
eastern, Tigris and Euphrates
Mesopotamia lay at the eastern end of the Fertile Crescent, in the valley between the Tigris and Euphrates rivers.