1) The world's first stock exchange was established in Amsterdam in 1602.

2) The development of the microprocessor by Intel in 1971 paved the way for the modern computer and led to the exponential growth of computing power.

3) Sir Elton John, born Reginald Kenneth Dwight, is an English singer, songwriter, and pianist. With a career spanning over five decades, he is one of the best-selling music artists in the world and has received numerous awards and accolades for his contributions to music.

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