The first of a two-part special to mark the 100th anniversary of Tito's birth. In late 1943 Winston Churchill made what he would later describe as one of the biggest mistakes of the war. On the advice of his special envoy to Yugoslavia, he transferred British weapons and support from the anti-communist resistance under General Draja Mihailovich to the communist partisans, led by Marshal Josip Broz Tito. That decision effectively condemned Yugoslavia to 40 years of communist rule and destroyed the reputation of General Mihailovich, who ever since has been portrayed as a Nazi collaborator.