For 10 points, name this country that controls Gibraltar and was led by Lord Palmerston.
A ship from this country called the Fantome had one of its crew detained while docked at Patras. To avoid offending a banker from this country, Jean Colletti refused to burn an effigy of Judas Iscariot. One of this country's politicians gave a speech about its "watchful eye and strong arm" and one of its commanders led the alliance that won the Battle of Navarino. While working as a Portuguese consul, a citizen of this country was brutalized by anti-Semitic mobs in Athens. Cicero was referenced in the "Civis Romanus Sum" speech which promised that this country would defend that citizen, Don Pacifico. For 10 points, name this country that controls Gibraltar and was led by Lord Palmerston.
A ship from this country called the Fantome had one of its crew detained while docked at Patras.
The United Kingdom [or Great Britain; or the British Empire]