In which decade of the 20th century would you have seen teddy boys?

Teddy boys emerged in the 1950s in the United Kingdom. This youth culture was characterized by its distinctive fashion, which included long jackets, narrow trousers, and hairstyles inspired by Edwardian styles. The movement was associated with a rebellious attitude and a love for rock and roll music. Teddy boys became a symbol of youth rebellion during this decade.