I could be wrong, but i believe it was September 3, 1783. Hope this was helpful! :)
Answer:
Cuneiform is a system of writing first developed by the ancient Sumerians of Mesopotamia c. 3500-3000 BCE. It is considered the most significant among the many cultural contributions of the Sumerians and the greatest among those of the Sumerian city of Uruk which advanced the writing of cuneiform c. 3200 BCE.
I think the answer to your problem is Spanish
You could check out this website:
https://newrepublic.com/article/126987/remaking-american-west
or this one:
http://www.ushistory.org/us/18e.asp
i'm not really sure what info you want tho..
