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

2) The Triple Double in basketball refers to a player achieving double-digit totals in three of the following statistical categories: points, rebounds, assists, steals, or blocks.

3) The sport of golf originated in Scotland and is played on courses with 18 holes, each with a designated par score.

4) The fall of the Berlin Wall in 1989 symbolized the end of the Cold War and the reunification of East and West Germany.