The 20th century spanned from the year 1901 to 2000 and was marked by significant social, political, and technological changes. Major events included both World Wars, the Cold War, and the rise of global movements for civil rights and independence. Innovations such as the internet, television, and space exploration transformed daily life and communication. Culturally, the century saw the emergence of influential art movements like modernism and postmodernism, as well as the rise of popular music genres such as jazz and rock and roll. The century also witnessed the impact of notable figures like Martin Luther King Jr. and Albert Einstein on society and science.