It was the second party to contest an election after the Association for the Advancement of Civil Rights (AACR) and was led by Juan Jose Triay.
[1] It won a seat in the 1956 general elections, taken by Triay.
In the elections to the City Council, three months later (on 5 December 1956) the Commonwealth Party got two out of ten seats, for Guy Stagnetto and Louis Bruzon (besides 5 for the AACR, and 3 independents).
However, in 1957 Triay resigned from the Legislative Council in protest at the silence adopted by the other members of the council on the Spanish visa restrictions issue.
This article about a political party from Gibraltar is a stub.