The name of the river that marked the northern boundary of Islamic expansion in central Asia is Oxus. In 651, Arabs took Iran. After this, they went towards the Oxus river in the north with the intention of defeating the Turkish. The Arabs succeeded and the expansion setling Oxus river as the northern boundary was finally consolidated in 750 C.E.
The archeological site of Monteverde II in Chile dates back 14,800 years, according to scientists (there´s a broad consensus). The discovery of many objects belonging to the Pleistocene was in 1977 in an area called Región de Los Lagos.
