1) The smallest unit of time is known as a zeptosecond, which is equal to one trillionth of one billionth of a second.

2) The word "orange" contains three vowels: O, A, and E.

3) The Triple Crown in horse racing consists of three prestigious races: the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes.

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