1) The word "music" contains two vowels: U and I.

2) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.

3) The world's first paper money was created in China over 1,000 years ago.

4) 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.