10th March 1876: Bell transmits the first speech using the telephone

On the 10th March 1876, Scottish-born inventor Alexander Graham Bell made the first successful telephone call when he contacted his assistant, Thomas Watson.

21st November 1877: Thomas Edison announces the phonograph

On the 21st November 1877, American inventor Thomas Edison announced his phonograph, the world’s first practical machine that could record and play sound using a cylinder.