By very careful scientific recording of sites once occupied by early people.
The Ganges river
In present day city of St. Louis in the Mississippi Valley was where early people built Cahokia.
The Toltecs are usually given that credit but much of that very early history is lost.
What people helped shap early history in the United States
Indus valley civilisation.
It is the Hopewell.
The Nok were an early African civilization of the Nile River valley.
The Nok were an early African civilization of the Nile River valley.
U. J. Jones has written: 'Simon Girty' -- subject(s): Fiction 'History of the early settlement of the Juniata valley: embracing an account of the early pioneers, and the trials and privations incident to the settlement of the valley' -- subject(s): Frontier and pioneer life, Indians of North America, History
The is a very rich history of Irraya tribe of the Philippines. They are usually found in the Ifugao region. In the early days they mingles with other tribes who occupied valleys like Ilocanos and Ibanags.
People were fighting for political, economic, and social freedom in early American history.