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

2) The first modern Olympic marathon race was held at the 1896 Olympics in Athens and has since become one of the most iconic and challenging events in athletics.

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

4) The word "triangle" contains four vowels: I, A, E, and E.