The Bering Sea Bridge.
They came from Alaska or Siberia
The first humans to settle in the Americas crossed the Bering Strait between Alaska and Siberia. At the time it was a plain and you could walk across.
The most commonly accepted theory is they were migrant hunters following game.
a land bridge was created between Siberia and Alaska
The two tiny Islands between Siberia and Alaska are called Dimeria Islands, population on the larger island is estimated at 229 peaople.
The Bering Straits are between Siberia & Alaska.
the Magellan strait
The Beringia theory states that in the last ice age a lot of water was frozen and therefore absent in the Bering straight. Some early asian hunters crossed over from Siberia to what is now Alaska and spread and multiplied into the Native Indian tribes that were mainly wiped out in the colonization of the Americas.
Bering Strait.
Alaska
Disputed, many different dates are given. Many thousands of years ago, definitely. Almost certainly they crossed the gap between Siberia and Alaska. At the time it was dry land, Berginger.
Alaska is the US state closest to where the first people crossed a land bridge into North America. The Bering Land Bridge connected Alaska and Siberia during the last Ice Age, allowing early humans to migrate into North America.