<Ul> <Li> Chimborazo , 6,267 metres ( 20,561 ft ) . Presumed highest from sixteenth century until the beginning of the 19th century . Not in the top 100 highest mountains when measured from sea level , however due to the earth 's equatorial bulge this is the farthest point from the Earth 's center . </Li> <Li> Nanda Devi , 7,816 metres ( 25,643 ft ) . Presumed highest in the world before Kangchenjunga was sighted in an era when Nepal was still closed to the outside world . Now known to be the 23rd highest mountain in the world . </Li> <Li> Dhaulagiri , 8,167 metres ( 26,795 ft ) . Presumed highest from 1808 until 1847 . Now known to be the 7th highest mountain in the world . </Li> <Li> Kangchenjunga , 8,586 metres ( 28,169 ft ) . Presumed highest from 1847 until 1852 . Now known to be the 3rd highest mountain in the world . </Li> <Li> Mount Everest , 8,848 metres ( 29,029 ft ) . Established as highest in 1852 and officially confirmed in 1856 . </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> </Ul>
<Ul> <Li> Chimborazo , 6,267 metres ( 20,561 ft ) . Presumed highest from sixteenth century until the beginning of the 19th century . Not in the top 100 highest mountains when measured from sea level , however due to the earth 's equatorial bulge this is the farthest point from the Earth 's center . </Li> <Li> Nanda Devi , 7,816 metres ( 25,643 ft ) . Presumed highest in the world before Kangchenjunga was sighted in an era when Nepal was still closed to the outside world . Now known to be the 23rd highest mountain in the world . </Li> <Li> Dhaulagiri , 8,167 metres ( 26,795 ft ) . Presumed highest from 1808 until 1847 . Now known to be the 7th highest mountain in the world . </Li> <Li> Kangchenjunga , 8,586 metres ( 28,169 ft ) . Presumed highest from 1847 until 1852 . Now known to be the 3rd highest mountain in the world . </Li> <Li> Mount Everest , 8,848 metres ( 29,029 ft ) . Established as highest in 1852 and officially confirmed in 1856 . </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> </Ul>
before mount everest was discovered what was the tallest mountain
before mount everest was discovered what was the tallest mountain
Kangchenjunga
Kangchenjunga