rotating gif.gifFor more, see Grade 7.1 and Grade 7.2

New research questions the Land Bridge Theory, see Theories about the Bering Strait from the Burke Museum. This research includes the idea that people came to the Americas by boat from Asia.



Graphic Displaying the Land Bridge from 21,000 BC to today
Graphic Displaying the Land Bridge from 21,000 BC to today



The Land Bridge theory proposes that people migrated from Siberia to Alaska across a land bridge that spanned the current day Bering Strait. The first people to populate the Americas were believed to have migrated across the Bering Land Bridge while tracking large game animal herds. Most textbooks cite this theory

Evidence from the 1990s shows human habitation in Monte Verde, Chile, dating back to 14,500 years ago - a millennium older and much further south than what was previously thought to be the first people in the Americas. How they got there is open to debate.

New findings from Meadowcroft Rockshelter in Pennsylvania, Page-Ladsen flake tools in Florida, and coprolites from Paisley Cave in Oregon suggest people were in these locations some 14,500 years ago.

The oldest claim for human settlement in the Americas is the Topper Site in South Carolina, dating back to about 15,000 years ago.

external image 200px-Hebrew_timeline.svg.pngHuman Numbers Through Time shows the growth of world population from the Common Era Year 0 to the present.
Multimedia.pngClick here for a video from the Smithsonian "Across Atlantic Ice."


Clovis Theory


The Clovis First Theory Is Put to Rest at Paisley Caves, July 2012.

For more, see Clovis and Migration to America

Screen Shot 2016-01-04 at 11.40.38 AM.png.Atlas of Human Journey provides an interactive world map with video segments on the spread of humans from 200,000 BCE to 10,000 BCE from "The Genographic Project" and National Geographic