1) Pizza, a popular Italian dish, originated in Naples and is now enjoyed worldwide. Traditional Neapolitan pizza features a thin, chewy crust topped with San Marzano tomatoes, mozzarella cheese, and fresh basil, cooked in a wood-fired oven. It has become a global culinary icon, with countless regional and international variations, making it one of the most beloved and versatile foods globally.

2) The French Revolution, which began in 1789, marked a major turning point in European history, leading to the overthrow of the monarchy and the rise of republicanism.

3) The word "oxygen" contains two vowels: O and E.

4) The New York Stock Exchange (NYSE) is the largest stock exchange in the world.