The melody of 'Happy Birthday to You' was declared public domain only in 2016.

Olympic weightlifters follow a precise diet and weigh in the day before competition to make their weight category.

Mozart composed his first symphony at age 8 and had written over 600 works by the time he died at 35.

Shintoism, Japan's indigenous religion, venerates kami — spirits in nature, ancestors, and sacred objects.

The famous 'Wilhelm Scream' sound effect has been used in hundreds of movies since 1951.

Chess grandmaster Magnus Carlsen has been world champion since 2013 and has the highest Elo rating in history.

The Japanese sun goddess Amaterasu was so offended she hid in a cave, plunging the world into darkness until the other gods lured her out.

The oldest known musical instruments are bone flutes found in Germany dating to at least 40,000 years ago.

Michael Phelps is one of the most decorated Olympians in history.