The first modern Olympics were held in Athens, Greece, in 1896. In the next 120 years, a city will become the focus of the world every 4 years. The Olympics represent not merely a high level competitive field, but also a grand affair that allows athletes from different countries to communicate, reflects the spirit of the Olympics and symbolizes peace. The 100-plus-year old Olympics, nonetheless, were forced to be cancelled three times in history. These three 'Missing Olympics' were 1916 Berlin Olympics, 1940 Tokyo Olympics and 1944 London Olympics. Why were they canceled? Were they related to politics? Let us discover the obscure story behind these cancellations.