Tangier Protocol of the international zone remained until its 29 October 1956 reintegration with Morocco, following Morocco's independence that year. After it came into force, the Protocol was also acceded to by Belgium, Netherlands, Portugal and Sweden. Tangier Protocol The Tangier Protocol (formally the Convention regarding the Organisation of the Statute of the Tangier Zone) was an agreement signed between France, Spain and the United Kingdom by which the city of Tangier in Morocco became the Tangier International Zone. The protocol was signed in Paris on 18 December 1923 and entered into force with ratification on 14 May 1924. Starting from 1929,
Tangier and during other spying periods of the 19th and 20th centuries is legendary. Tangier acquired the reputation of a spying and smuggling centre and attracted foreign capital due to political neutrality and commercial liberty at that time. It was via a British bank in Tangier that the Bank of England in 1943 for the first time obtained samples of the high-quality forged British currency produced by the Nazis in "Operation Bernhard". The city has also been a subject for many spy fiction books and films (see Tangier in popular culture). Tangier is twinned with: Tangier Tangier (Arabic: طنجة, Berber: ⵟⴰⵏⴵⴰ)