1) The world's most expensive car is the Bugatti La Voiture Noire, which sold for over $18 million.

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

3) The Black Lives Matter movement gained renewed momentum in 2020 following the killings of George Floyd, Breonna Taylor, and others, sparking protests and discussions on systemic racism, police reform, and social justice around the world.

4) The Civil Rights Act of 1964 in the United States outlawed discrimination based on race, color, religion, sex, or national origin.