mark ▁( C open hagen , ▁ 1 1 ▁July ▁ 1 6 7 0 ) ▁ 1 7 6 6 ▁– ▁Tre aty ▁of ▁Com merce ▁and ▁Alliance ▁between ▁Great ▁Britain ▁and ▁Sweden ▁( Sto ck holm , ▁ 5 ▁February ▁ 1 7 6 6 ) ▁ 1 8 1 5 ▁– ▁Convention ▁of ▁Com merce ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁United ▁States ▁of ▁America , ▁and ▁Dec laration ▁by ▁United ▁Kingdom ▁regarding ▁St ▁Hel ena ▁( Lond on , ▁ 3 ▁July ▁ 1 8 1 5 ) ▁ 1 8 2 5 ▁– ▁Tre aty ▁of ▁Am ity , ▁Com merce ▁and ▁Navigation ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁Colombia , ▁and ▁Add itional ▁Article ▁( B og ota , ▁ 1 8 ▁April ▁ 1 8 2 5 ) ▁ 1 8 2 5 ▁– ▁Tre aty ▁of ▁Am ity , ▁Com merce ▁and ▁Navigation ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁the ▁United ▁Provin ces ▁of ▁Rio ▁de ▁la ▁Pl ata ▁[ Ar gent ina ] ▁( Bu en os ▁Aires , ▁ 2 ▁February ▁ 1 8 2 5 ) ▁ 1 8 2 6 ▁– ▁Convention ▁of ▁Com merce ▁and ▁Navigation ▁between ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland ▁and ▁France ▁( Lond on , ▁ 2 6 ▁January ▁ 1 8 2 6 ) ▁ 1 8 2 6 ▁– ▁Convention ▁of ▁Com merce ▁and ▁Navigation ▁between ▁the ▁United ▁Kingdom