This Day, That Year – September 30

American dentist Dr. William Morton used anesthetic ether for the first time to extract a tooth on this day in 1846.

Did you know that:

• Antoine J. Balard, a French chemist who discovered bromine, was born on this day in 1802
• Samuel Slocum patented the stapler on this day in 1841
• Roller skates were invented by Hui-Chin on this day in 1997