1) Elvis Presley, often referred to as the "King of Rock and Roll," has sold over one billion records worldwide.

2) The United Nations Security Council is responsible for maintaining international peace and security, with five permanent members (China, France, Russia, the United Kingdom, and the United States) holding veto power over resolutions.

3) The world's first car radio was invented in 1929.

4) The first sound film, "The Jazz Singer," was released in 1927 and marked the transition from silent movies to "talkies."