Seven Third Summits Sumantri () and Ngga Pulu (). The definition of "continent" is a matter of some dispute among mountaineers seeking to complete this challenge. The main ridge of the Greater Caucasus range is generally considered to form the boundary between Europe and Asia. In that case, Mount Elbrus () and Dykh-Tau (), are the two highest mountains in Europe. Excluding the Caucasus Mountains, Mont Blanc () and Monte Rosa () would be Europe's two highest mountains. The Australian continent is defined as comprising the mainland of Australia and proximate islands on the same continental shelf, including Tasmania and New Guinea. In
Mount Elbrus a popular sport of the populace, and there was tremendous traffic on the mountain. On 17 March 1936, a group of 33 inexperienced Komsomol members attempted the mountain, and ended up suffering four fatalities when they slipped on the ice and fell to their deaths. During the Battle of the Caucasus in World War II, the Wehrmacht occupied the area surrounding the mountain from August 1942 to February 1943 with Gebirgsjäger from the 1st Mountain Division. The Nazi Swatstika was placed on the summit of Mount Elbrus on 21 August 1942. A possibly apocryphal story tells of a Soviet pilot