In the history of the Americas, the pre-Columbian era spans from the original settlement of North and South America in the Upper Paleolithic period through European colonization, which began with Christopher Columbus 查看更多內容

Asian nomadic Paleo-Indians are thought to have entered the Americas via the Bering Land Bridge (Beringia), now the Bering Strait, … 查看更多內容

Mesoamerica is the region extending from central Mexico south to the northwestern border of Costa Rica that gave rise to a group of … 查看更多內容

By the first millennium, South America's vast rainforests, mountains, plains, and coasts were the home of millions of people. Estimates vary, but 30–50 million are often given … 查看更多內容

Before the development of archaeology in the 19th century, historians of the pre-Columbian period mainly interpreted the records of the … 查看更多內容

The haplogroup most commonly associated with Indigenous genetics is Haplogroup Q1a3a (Y-DNA). Researchers have found genetic evidence that the Q1a3a haplogroup has been in South America since at least 18,000 BC. Y-DNA, like mtDNA, … 查看更多內容

Archaic period
The North American climate was unstable as the ice age receded. It finally stabilized by about 10,000 years ago; climatic conditions were … 查看更多內容