context: In 1975, Armani with his friend Galliotti established his own brand, “Giorgio Armani”, and in October of the same year he presented his first collection of men's fashion designs for the spring and summer of 1976 under his own name, and he also produced The first women's fashion line in the same season.
question: When did Armani establish his own brand, "Giorgio Armani"?
answers.text: 1975