1) The word "flower" contains two vowels: O and E.

2) The world's first speeding ticket was issued in 1902 to a motorist who was driving at the astonishing speed of 45 miles per hour (72 km/h).

3) Michael Phelps, an American swimmer, has won a total of 28 Olympic medals, including 23 gold medals, making him the most decorated Olympian of all time.

4) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.