On January 13, 1842, Assistant Surgeon William Brydon, bloodstained and exhausted , reached the British Fort at Jalalabad. When asked where the rest of the army was, he managed to reply “I am the Army.” Thus the British learned their 20,000-man army in Afghanistan had been wiped out. Though it is perhaps the most famous example of a Western army being defeated by a mountain people, it is certainly not the only one.