▁El ▁Salvador ▁( Gu atem ala , ▁ 2 4 ▁October ▁ 1 8 6 2 ) ▁( Lond on , ▁ 2 3 ▁January - 2 6 ▁February - 1 0 - 2 1 ▁April ▁ 1 8 6 3 ) ▁ 1 8 6 2 ▁– ▁Ag re ement ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁El ▁Salvador ▁prolong ing ▁the ▁Tre aty ▁of ▁Friend ship , ▁Com merce ▁and ▁Navigation ▁of ▁ 2 4 ▁October ▁ 1 8 6 2 ▁( San ▁Salvador , ▁ 2 3 ▁June ▁ 1 8 8 6 ) ▁ 1 8 6 3 ▁– ▁Exchange ▁of ▁Notes ▁between ▁the ▁Government ▁of ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁Government ▁of ▁Peru ▁termin ating ▁Articles ▁III - VI ▁of ▁the ▁Tre aty ▁of ▁Friend ship , ▁Com merce ▁and ▁Navigation ▁of ▁ 1 0 ▁April ▁ 1 8 5 0 ▁ 1 8 6 6 ▁– ▁Tre aty ▁of ▁Friend ship , ▁Com merce ▁and ▁Navigation ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁Colombia ▁( Lond on , ▁ 1 6 ▁February ▁ 1 8 6 6 ) ▁ 1 8 6 7 ▁– ▁Dec laration ▁between ▁the ▁Government ▁of ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁Government ▁of ▁Italy ▁rel ating ▁to ▁J oint ▁Stock ▁Comp an ies ▁( F lor ence , ▁ 2 6 ▁November ▁ 1 8 6 7 ) ▁ 1 8 6 8 ▁– ▁Tre aty ▁of