On 12 September 1944, in London, authorities of the Soviet Union, the United Kingdom and the United States sign a protocol on the occupation zones in Germany and the administration of Greater Berlin.

On 14 November 1944, the United Kingdom, the United States of America and the Soviet Union sign an agreement in London amending the Protocol of 12 September 1944 on the Allied zones of occupation and administration in Germany.

On 14 November 1944, in London, the governments of the United States, the United Kingdom and the Soviet Union sign an agreement on Control Machinery in the occupation zones of defeated Germany.

On 26 July 1945, in London, the United Kingdom, the United States, the Soviet Union and the French Provisional Government sign an agreement introducing amendments to the Protocol of 12 September 1944 on the occupation of Germany and the administration of Greater Berlin.