Which countries does Germany supply arms to that aren't on good terms with Germany? German-Turkish relations date back far into the times of the Ottoman Empire. German-Turkish alliance during World War I. During World War II, Turkey maintained diplomatic relations with Germany until August 1944. The German–Turkish Non-Aggression Pact was signed on 18 June 1941. Turkey severed its diplomatic and commercial relations with Germany, and on February 23, 1945, declared war on Germany. Since WW2, Germany and Turkey have good relations, including many arms deals (initially trasnfers of older equipment, under NATO oversight but in te last 4 decades increasingly new equipment and even tech transfer).