With the reunification of Germany on 3 October 1990, Berlin was reinstated as the capital city of united Germany and the Länder of the former German Democratic Republic joined the Federal Republic of Germany in its membership of NATO.

Why did the FRG join NATO?

Ten years after the Nazis were defeated in World War II, West Germany formally joins the North Atlantic Treaty Organization (NATO), a mutual defense group aimed at containing Soviet expansion in Europe. For U.S. policymakers, this was an essential step in the defense of Western Europe. ...

Who joined NATO in 1955?

Twelve countries took part in the founding of NATO: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States. In 1952, Greece and Turkey became members of the Alliance, joined later by West Germany (in 1955) and Spain (in 1982).