1948 Summer Olympics torch relay then run through Switzerland and France. The route was modified only when Luxembourg and Belgium both requested that the torch travel their territories. A longer Greek route was planned, but reduced from an expected down to due to concerns over instability in the country and a lack of security. The torch lighting ceremony took place on 17 July 1948 in Olympia, Greece. As with the 1936 Summer Olympic relay, the torch relay was begun by focusing the sun's rays onto kindling using a parabolic reflector, which then lit the first torch. The kindling was conducted by a Girl Guide leader
1936 Summer Olympics torch relay flame was lit on site at the stadium. Carl Diem devised the idea of the torch relay for the 1936 Summer Olympics in Berlin that was organized by the Nazi Party under the guidance of Joseph Goebbels. The process was ratified by the International Olympic Committee and has been repeated at all the Games that have followed. Diem and the organizing team realized that there would need to be very detailed plans in order to successfully complete the relay to a standard that would satisfy both themselves and the ruling Third Reich. At the time they were unsure about exactly