▁Swiss ▁Exchange . ▁Ac quisition ▁of ▁the ▁remaining ▁ 2 5 % ▁share ▁capital ▁from ▁previous ▁share hold ers ▁by ▁a ▁cons ort ium ▁led ▁by ▁Advent ▁International ▁Corporation . ▁Change ▁of ▁logo ▁/ ▁corpor ate ▁design . ▁▁ 2 0 0 4 : ▁Cons ort ium ▁led ▁by ▁Advent ▁International ▁Corporation ▁acqu ires ▁ 7 5 % ▁of ▁out standing ▁share ▁capital ▁of ▁D uf ry . ▁F oc using ▁of ▁strategy ▁on ▁travel ▁ret ail ▁- ▁ ▁div est ment ▁of ▁wh oles ale ▁and ▁non - str ateg ic ▁activities ▁( F ebru ary ). ▁▁ 2 0 0 3 : ▁Name ▁changes ▁to ▁D uf ry . ▁▁ 1 9 5 2 : ▁Start ▁of ▁duty - free ▁ret ail ▁business ▁- ▁opening ▁of ▁the ▁first ▁duty - free ▁shop ▁in ▁contin ental ▁Europe ▁in ▁Paris / Le ▁Bour get . ▁▁ 1 9 4 8 : ▁Start ▁of ▁duty - free ▁wh oles ale ▁business . ▁▁ 1 8 6 5 : ▁Origin ▁of ▁the ▁group . ▁ ▁Location ▁ ▁Some ▁of ▁the ▁principal ▁locations ▁of ▁the ▁company ▁are : ▁ ▁Zur ich ▁Airport , ▁K lot en , ▁( Sw itzerland ) ▁ ▁Euro A ir port ▁Bas el ▁Mul house ▁Fre ib urg , ▁Bas el , ▁( Sw itzerland ) ▁ ▁Z v art not s ▁International ▁Airport , ▁Y ere van , ▁( Ar men ia ) ▁ ▁Sh ira k ▁International ▁Airport , ▁Gy um ri , ▁( Ar men ia ) ▁V