The 20th century refers to the period from January 1, 1901, to December 31, 2000. It was marked by significant events such as two World Wars, the rise and fall of empires, and the Cold War. Technological advancements, including the invention of the internet and television, transformed communication and daily life. Culturally, the 20th century saw the emergence of various movements in art, music, and literature, with influential figures like Pablo Picasso and Virginia Woolf. Social changes, including the civil rights movement and the feminist movement, reshaped societies and challenged traditional norms, leading to greater awareness of issues like equality and human rights.