1) The Olympic Games, originating in ancient Greece, were revived in 1896 and are now held every four years, bringing together athletes from around the world.

2) The first commercially successful video game was "Pong," released in 1972 by Atari.

3) The word "triangle" contains four vowels: I, A, E, and E.

4) The concept of quantum computing explores the use of quantum mechanics principles to perform complex computations, potentially revolutionizing fields such as cryptography and optimization.