The Maya's were some very interesting people. They also created many great things that helped everyone else, and some of the stuff that they invented we still use today! It's pretty amazing, because the creations that they made are at least a billion years old.
For example the Maya;s created many things, but the two that we use more today is the calender, and the number zero. They did create a writing system, and other things, but we don't use those as much as we use the calender and the number zero. So remember, next time when you look at your calender or the number zero always remember that the Maya created