Born on this day in 1856, Daniel Hale Williams was an American surgeon who performed the first successful heart surgery.

Did you know that:

• Joseph Glidden, American inventor of the modern barbed wire, was born on this day in 1813
• The Electro-Magnet, the first paper ever printed by the power of electromagnetism, was issued on this day in 1840
• The X-ray machine was first displayed by HL Smith in New York on this day in 1896