What does external migration mean? The definition of external migration is migrating, or moving, to a new home in a different state, country, or continent. This is a form of human migration. Birds migrate a â¦ t specific times of the year and travel to other states or countries as the seasons change.
Fort Lewis was originally established in 1917 with the passage of a Pierce County bond measure to purchase 70,000 acres (280 km2) of land to donate to the federal government for permanent use as a military installation. A portion of the initial land was taken from the Nisqually tribe's reservation.
Fort Washington, Maryland. Fort Washington is an unincorporated area and census-designated place in Prince George's County, Maryland. It borders the capital of the United States of America, Washington, D.C., situated just south of the downtown district. It is a prosperous community with an African American majority population.