1) The FIFA World Cup is the most-watched sporting event globally, with billions of viewers tuning in for the tournament held every four years.

2) The first successful mass-produced personal computer, the IBM PC, was introduced in 1981 and played a significant role in popularizing the use of computers in homes and offices.

3) The world's oldest known recipe is for beer and is over 4,000 years old.

4) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.