London Games Vesuvius_Erupts The 1906 eruption of Mt. Vesuvius requires the Games to move from Rome to London. For the first time, athletes march into the stadium behind their nations' flags. There are more than 2,000 competitors in more than 100 events. Italian Dorando Pietri needs to be helped across the finish line of the marathon, but is declared the winner before being disqualified in favor of Johnny Hayes of the U.S.