The river banks were occupied by Chinese, Kalmyks, and Mongols until the Russians arrived in the late 16th century. The Russian conquest of the Irtysh basin was completed by the early 19th century.
North Korea
The last region of the wrld to be occupied was South America
early 19th century
dasdsds
early 16th century to early 17th century
Science and theory in the early 20th century?.
I am pretty sure that it is the early 20th century
If this helps, It stood from the early 13th century to the early 18th century.
Korea.
By very careful scientific recording of sites once occupied by early people.
Wilderness and forests.