Today, we can talk to someone across town or even across the country right away. We just pick up the phone and call them. But it took a lot longer to get in touch with folks before Alexander Graham Bell invented the telephone. Learn about the impact of the invention of the telephone on communication. Events that Changed Your World When we get sick, our doctors give us medicine. When we want to visit our grandparents across the country, we hop on a plane. And when we want something in our community to change, we vote for people who share our ideas. A lot of the things we have and do now began as strange or challenging ideas-or even accidents! Discover the history behind events that changed your world-and the people who made them possible.