1) The word "guitar" contains three vowels: U, A, and I.

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

3) The signing of the Magna Carta in 1215 laid the foundation for modern democratic principles and limited the powers of the monarchy in England.

4) The painting "The Scream" by Edvard Munch is an iconic work of art that depicts a figure in anguish and has become a symbol of existential angst.