Command of the OMGUS was initially invested in the later President Dwight Eisenhower, who was commander-in-chief of the American forces in Europe at the end of World War II.

In 1949, the military administration of the American, British, and French zones was succeeded by the Allied High Commission, which remained in operation until 1955.

On 12 October 1947, Bremen held another election, where SPD came four seats short of a majority and thus formed a coalition with BDV, with Kaisen continuing in office.

Licenses were granted to Germans not involved in Nazi propaganda to establish those newspapers, including Frankfurter Rundschau (August 1945), Der Tagesspiegel (Berlin; September 1945), and Süddeutsche Zeitung (Munich; October 1945).

From 22 September 1945, there were three long-distance train services operating in the American occupation zone, for the first time since the end of the war.

All three routes travelled from Frankfurt am Main and were third class only:[4] The original documents of the OMGUS are kept in the Washington National Records Center (held by the University of Maryland).