The international perception of London as "the place to be" was boosted by a Time cover story of 15 April 1966 that launched the phrase "Swinging London". The opening paragraph runs:In this century, every decade has had its city. The fin de siècle belonged to the dreamlike round of Vienna, capital of the inbred Habsburgs and the waltz. In the changing '20s, Paris provided a moveable feast for Hemingway, Picasso, Fitzgerald and Joyce, while in the chaos after the Great Crash, Berlin briefly erupted with the savage iconoclasm of Brecht and the Bauhaus. During the shell-shocked 1940s, thrusting New York led the way, and in the uneasy 1950s it was the easy Rome of la dolce vita. Today, it is London, a city steeped in tradition, seized by change, liberated by affluence, graced by daffodils and anemones, so green with parks and squares that, as the saying goes, you can walk across it on the grass. In a decade dominated by youth, London has burst into bloom. It swings; it is the scene.
The full text of the story can be read here.
With the devaluation of the pound sterling in 1967, London became more attractive to foreign visitors than ever.
Pop music, fashion boutiques and fashion photography were the main components of "swinging" London, an international image further underlined by the rather overheated Italian film Blow-Up:

