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

2) The Cannes Film Festival, held annually in France, is one of the most prestigious film festivals in the world.

3) The coldest known temperature in the universe was achieved in a laboratory in 2019, reaching a fraction of a degree above absolute zero (-273.15 degrees Celsius).

4) The Cricket World Cup is held every four years and features teams from around the world competing for the prestigious title.