 dhiguva bhaagam nundi ,  dayachesi  NATO loo cheradaaniki itivali deeshaanni sangrahinchandi .
NATO  anede iravai tommidhi eurpoean mariyu remdu Uttar America deeshaala seinika kuutami ,  idi saamuuhika rakshana vyavasthanu erparustundi .  kootamilo chaerae procedure Uttar atlantic oppandamlooni artical  10  dwara nirvahinchabaduthundi ,  idi  " itara eurpoean stetes "  Bara mariyu tadupari oppandaala dwara ahvanam choose anumatistundi .  cheralanukune deshalu tappanisariga konni avasaralanu teerchaali mariyu rajakeeya sambashana mariyu seinika ekikaranato koodina bahulha - dasala prakriyanu porthi cheyale .  cherika prakriyanu  NATO  yokka governing baadii ayina north atlantic consul paryaveekshistundi . NATO  pannendu mandhi vyavasthaapaka sabhyulato  1949 loo erpadindi mariyu tommidhi sarlu kothha sabhyulanu cherchukundi .  modati chaerpulu  1952 loo griice mariyu turqey .  mee  1955 loo ,  paschima geramny  NATO loo cherindhi ,  idi phraans ,  uunited king ‌ dum mariyu uunited stetes dwara desam yokka akramana mugimpulo bhaagamgaa angeekarinchabadina sharatullo okati .  soveit union aa nelaloe vaari swantha saamuuhika bhadrataa kuutamini  ( saadharanamga warsa oppandam ani pilustharu )  erpaatu chesthundu .  franko paalana mugisina taruvaata ,  kotthaga - prajaasvaamya speyin  1982 loo  NATO loo cheradaaniki enchukundi .

1990 loo ,  paschima geramny yokka pratuta sabhyatvam kindha punareekeekarinchabadina geramny  NATO loo untundani sandhaanakartalu ooka oppandhaniki vachcharu . 1991 loo soveit union raddhu anek maajii warsa odambadika mariyu soveit anantara rastralu  NATO loo cheeradam girinchi charchalanu praarambhinchaayi .  polland ,  hangeri mariyu checq republik  1999 loo  NATO  sabhyuluga maaraayi , NATO lonae anek charchaloo mariyu rashyaa vyatiraekata Madhya . NATO " sabhyathva karyacharana pranalikalu " thoo samsthaloo chaerae prakriyanu adhikaarikam chesindi ,  idi  2004  istamble sikharaagra samavesaniki konthakaalam mundhu edu Madhya mariyu turupu eurup deeshaala cherikaku sahaayapadindi :  balgaeriyaa ,  estonia ,  latvia ,  lithuvenia ,  romeeniya ,  slovakia mariyu sloveniyaa .  adriatic samudramloo unna remdu deshalu - albeeniyaa mariyu kroashia -2009  strass ‌ burg - kehl sikharaagra samavesaniki mundhu  1  epril  2009 na cheeraayi . NATO loo cherina tadupari sabhya deshalu  5  juun  2017 na mantenegro , 27  marchi  2020 na Uttar macedoniyaa mariyu  4  epril  2023 na finn ‌ laand .

 ukreyin ‌ pai rashyaa daadi mee  2022 loo  NATO  sabhyatvam choose darakhaastu cheskunela finn ‌ laand mariyu sweedan ‌ lanu prerepinchindi mariyu sweedan choose aamodam procedure purogatilo Pali .  phinland adhikarikamgaa  4  epril  2023 na cherindhi .  rashyaa tana bhuubhaagamloe kontha bhaganni kalupukundani paerkonna tarwata september  2022 loo ukreyin  NATO  sabhyatvam choose darakhaastu chesindi .  mro remdu rastralu thama sabhyathva aakaankshalanu adhikarikamgaa  NATO ki teliyajesaayi :  bosniya mariyu herjegovina mariyu giorgia .  kosavo kudaa  NATO loo cheralani aakaankshistoondi .  austro ,  irelaand ,  malta ,  moldova mariyu serbiato sahaa kuutami velupala anek itara eurpoean deeshalaloo kootamilo cheeradam charchaneeyaamsamgaa Pali .
 ukreyin ‌ pai rashyaa daadi mee  2022 loo finn ‌ laand mariyu sweedan ‌ lu  NATO  sabhyatvam choose darakhaastu cheskovadaniki prerepinchindi .  phinland adhikarikamgaa epril  4, 2023 na  NATO loo cherindhi .