▁the ▁sum mit ▁via ▁the ▁west ▁r idge , ▁alone ▁and ▁without ▁o xygen , ▁and ▁died ▁on ▁the ▁way ▁back , ▁becoming ▁the ▁first ▁Bulgar ian ▁who ▁summ ited . ▁On ▁May ▁ 8 – 9 , ▁another ▁four ▁members , ▁Met odi ▁Sav ov ▁and ▁Ivan ▁Val chev , ▁on ▁May ▁ 8 ; ▁Nikol ay ▁Pet kov ▁and ▁Kir il ▁D os kov ▁on ▁May ▁ 9 , ▁reached ▁the ▁sum mit ▁via ▁the ▁western ▁r idge ▁route ▁and ▁desc ended ▁the ▁South ▁Col ▁route . ▁▁ ▁May ▁ 2 3 ▁– ▁Bach end ri ▁Pal ▁via ▁the ▁standard ▁sout heast ▁r idge ▁route , ▁becoming ▁the ▁first ▁Indian ▁woman ▁to ▁do ▁so . ▁▁ ▁October ▁ 3 ▁– ▁First ▁Australian ▁as cent , ▁without ▁supp lement al ▁o xygen , ▁on ▁a ▁new ▁route ▁(" White ▁Lim bo ") ▁on ▁the ▁North ▁Face . ▁Tim ▁Mac art ney - S na pe ▁and ▁Greg ▁Mort imer ▁summ itted . ▁▁ ▁October ▁ 2 0 ▁– ▁Phil ▁Er sh ler ▁became ▁the ▁first ▁American ▁to ▁sum mit ▁Ever est ' s ▁North ▁Wall . ▁▁▁ 1 9 8 6 ▁▁▁ ▁Er hard ▁Lor et an ▁and ▁Jean ▁Tro illet ▁clim bed ▁the ▁North ▁Face ▁in ▁a ▁single ▁push ▁without ▁o xygen , ▁ro pes , ▁or ▁t ents ▁in ▁ 4 2 ▁hours , ▁then ▁gl iss ade ▁down ▁in ▁under ▁five ▁hours . ▁They ▁clim bed ▁mostly ▁at ▁night ▁and ▁carried ▁no ▁back pack s ▁above ▁ 8 0