<Li> K2 , 8,611 metres ( 28,251 ft ) . Discovered in 1856 before Mt . Everest was officially confirmed , K2 's elevation became something of an enigma until it was officially resolved at a later date . News media reported in 1986 that satellite measurements by the University of Washington during an expedition to K2 by George Wallenstein had given a height between 29,064 feet ( 8,859 m ) and 29,228 feet ( 8,909 m ) . This erroneous figure was quickly retracted , and K2 's status as second highest was reaffirmed . </Li>
<Li> K2 , 8,611 metres ( 28,251 ft ) . Discovered in 1856 before Mt . Everest was officially confirmed , K2 's elevation became something of an enigma until it was officially resolved at a later date . News media reported in 1986 that satellite measurements by the University of Washington during an expedition to K2 by George Wallenstein had given a height between 29,064 feet ( 8,859 m ) and 29,228 feet ( 8,909 m ) . This erroneous figure was quickly retracted , and K2 's status as second highest was reaffirmed . </Li>
before mount everest was discovered which was the highest mountain in the world
before mount everest was discovered which was the highest mountain in the world
K2
K2