By 1930, all major American cities and many small towns had at least one electric traffic signal, and the innovation was spreading around the world. The simple device tamed the streets ...

We live in a fast-changing world where industries are constantly having to adapt to new trends and technologies. This Wall Street Journal brief history series helps explain the now, by looking ...

Have you ever wondered what life was like during the 1500s or what Olympic medals looked like in the early 1900s? You will ...