The Pentagon: A Giant Building with a Secret!

The Pentagon is a giant building shaped like a pentagon, which means it has five sides! It's so big that it has more than 17 miles of hallways. That's like walking from your house to the next town and back! Inside, about 23,000 people work every day, which is more people than can fit in a big school. It's located in Arlington, Virginia, right across a river from Washington, D.C.

During a big war called World War II, the United States needed a new place for its army leaders to work together. So, they decided to build the Pentagon! They started building on September 11, 1941, and finished it super fast, by January 15, 1943. It was built so quickly because everyone knew how important it was for the country's safety. It's like building a huge fort in a hurry!

The Pentagon is like the brain for the United States military. All the important decisions about the army, navy, and air force are made there. When people say 'The Pentagon,' they often mean all the leaders of the U.S. military. It's a symbol of the country's strength and how it protects itself. It's a very busy place with lots of important jobs happening all the time.

Sadly, on September 11, 2001, a terrible thing happened. Bad guys flew an airplane into the side of the Pentagon. It was a very sad day, and some people were hurt. But the people who work there are very strong. They fixed the building and even added a special memorial to remember everyone who was lost. The Pentagon is still standing strong today.