- 1837 – Tiffany and Co. (first named Tiffany & Young) is founded by Charles Lewis Tiffany and Teddy Young in New York City. The store is called a “stationery and fancy goods emporium”.
- 1851 – First publication of The New-York Daily Times, which later becomes The New York Times.
- 1882 – The Pacific Stock Exchange opens.
- 1895 – Daniel David Palmer gives the first chiropractic adjustment.
- 1927 – The Columbia Broadcasting System goes on the air.