1 janv. 1890 - Closing of the Frontier
Description:
Frederick Jackson Turner and the frontier. A year after the Oklahoma Land Rush, the director of the U.S. Census Bureau announced that the frontier was closed. The 1890 census had shown that a frontier line, a point beyond which the population density was less than two persons per square mile, no longer existed.Ajouté au bande de temps:
Date:
1 janv. 1890
Maintenaint
~ Il y a 134 ans
