the golden age of something

golden age

A period of or defined by outstanding excellence, quality, prosperity, or achievement. This Halloween, we're having a marathon of all the monster movies from the golden age of cinema. Many people look back on the 1950s as some kind of golden age, completely ignoring or denying many of the deep-rooted social injustices that typified that time in America.
See also: age, golden

the golden age of something

The golden age of a particular field of activity is a period of time during which it was very successful or of a very high quality. You grew up in the golden age of American children's books. The Middle Ages were the golden age of the spice trade.
See also: age, golden, of, something