Although the UK was the third country to develop a nuclear weapons arsenal (with its first atomic bomb test in 1952), the new post-war limits of Britain's international role were illustrated by the Suez Crisis of 1956.
Boqortooyada Ingiriisku waxay ahayd waddankii saddexaad ee horumarinta hubka nukliyeerka nukliyeerka (oo la sameeyay imtixaankiisii   ugu horreeyay ee atomiska ee 1952), laakiin xuduudaha cusub ee soo noqnoqda ee doorka caalamiga ah ee Britain waxaa lagu muujiyey Dhibaatada Suez ee 1956.