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

2) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.

3) The Rocky Mountains, also known as the Rockies, extend from Canada through the United States, offering stunning landscapes and outdoor recreational opportunities.

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