D-Day marks the start of World War II liberation efforts. For Churchill and his ally President Franklin Delano Roosevelt, it was time to free Europe by organising the largest seaborne military operation in the history of mankind. Part 1 of 3. • D-Day Uncovered: The Secret Strategy That ... Part 1 D-Day • WAIT AUDIO The Hidden Side of World War II... Part 2 Liberation • WAIT AUDIO The Hidden Side of World War II... Part 3 Last Secrets of Nazis