DAY Birger et Mikkelsen | 7,706 followers on LinkedIn. Everyday luxury for the modern woman | DAY Birger et Mikkelsen was founded in 1997 with one singular mission: to offer women a new look and a sense of style based on Scandinavian virtues and a bohemian mindset. The brand has always been rooted in Danish design ideals. It is distinguished by its contemporary feel, strong sartorial choices, attention to detail in the quality of materials as well as the chosen embellishments, and the idea of offering everyday affordable luxury to the independent woman.