- 1879 – Sandford Fleming first proposes adoption of Universal Standard Time at a meeting of the Royal Canadian Institute.
- 1910 – The Boy Scouts of America is incorporated by William D. Boyce.
- 1922 – President Warren G. Harding introduces the first radio in the White House.
- 1946 – The first portion of the Revised Standard Version of the Bible, the first serious challenge to the popularity of the Authorized King James Version, is published.
- 1971 – The NASDAQ stock market index opens for the first time.