 pai bhaagam nundi ,  black hansa sanghatanala yokka konni udaaharanalanu andinchandi .  bullett jaabitaalo ewent ‌ lanu jaabithaa chaeyamdi .
" black swann "  aney padabamdham laitin vyakteekatana nundi vacchindi ; 2 va shataabdapu romman kavi juvenal tana setair  VI loo  " rara avis in terris nigrok simillima signo " (" bhoomulalo arudaina pakshi mariyu nalla hansa lagaa ")  aney dani gurinchina  2 va shataabdapu romman kavi juvenal yokka varnanalo idi athantha puraathanamainadhi .: 165  yea padabandhaanni roopondinchinappudu ,  nalla hansa unikilo ledani bhaavinchabadindi .  rupakam yokka praamukhyata e alochana vyvasta yokka durbalatvaaniki dani saaruupyataloo Pali .  daaniloni edaina praadhimika prathipaadanalu tappuga niroopinchabadina tarwata mugimpula samithi sambhaavyamgaa raddhu cheyabaduthundhi .  yea sandarbhamlo ,  oche nalla hamsanu gamaninchadam anede edaina alochana vyvasta yokka tharkaanni raddhu cheeyadam ,  alaage aa antarleena tharkam nundi vachey edaina tarkikam .

 juvenal yokka padabamdham  16 va shataabdapu landon ‌ loo asaadhyamaina prakatanagaa ooka sadarana vyakteekatana .  hamsala yokka anni chaarithraka recordulu vatiki tellati eekalu unnayani nivedinchinanduna ,  hamsalanni tellagaa undaalano paata prapancha Bodh nundi landon vyakteekatana udbhavinchindi .  aa sandarbhamlo ,  ooka nalla hansa asadhyam ledha kanisam unikilo ledhu .

 ayithe , 1697 loo ,  villem di vlaming netrutvamloni datch anveshakulu paschima aastreeliyaaloo nalla hamsalanu chusina modati europeanlu ayaru . 19 va sataabdamloo ,  jeanne stewart mill black swann logically faalaseeni tappudu addhatini gurthinchadaaniki kothha padamgaa upayoginchaadani taleb perkonnaadu .

 black swann sanghatanalanu nassim nicolaus taleb tana  2001  pustakam fooled by randam ‌ ness ‌ loo churchincharu ,  idi aardika sanghatanalaku sambandhinchinadi .  atani  2007  pustakam dhi black swann aardika marketla velupali sanghatanalaku roopakaanni vistarimchimdi .  taleb dadapu anni pradhaana shaastreeya aavishkaranhalu ,  chaarithraka sanghatanalu mariyu kalaatmaka vijayalanu  " black hamsalu " gaaa pariganistaadu - adi nirdesinchabadani mariyu oohinchanivi .  athanu internet ,  vyaktigata computers ,  modati prapancha iddam ,  soveit union raddhu mariyu september  11, 2001  daadulanu black hansa sanghatanalaku udaaharanalugaa icchadu .
 pai bhaagam prakaaram ,  ikda nalla hansa sanghatanala yokka konni udaaharanalu unnayi :
 internet yokka perugudala 
 vyaktigata computers 
 modati prapancha iddam 
 soveit union raddhu 
 september  11, 2001  dhadulu 