Levi Strauss & Co. was founded in 1853, originally selling dry goods before revolutionizing work pants by adding metal rivets in 1873, which led to the creation of the iconic Levi's jeans. The brand gained immense popularity throughout the 20th century, particularly among youth and various subcultures, and faced challenges from competition while focusing on quality and innovation. Today, Levi's targets a diverse demographic, emphasizing self-expression and authenticity while responding to evolving consumer demands in fashion.