An exhilarating breakdown of some of history's most decisive battles. With expert analysis and eyewitness accounts examining the strategy behind the chaos of the war. The Balkan Campaign was the invasion of Greece and the Balkan states by the Axis powers during World War II. By June 1st, 1941, all of Albania, Yugoslavia and Greece were under Axis control. Greece was placed under triple occupation, and Yugoslavia was dissolved and occupied. Germany had gained a significant strategic advantage: direct access to the Mediterranean.