1947 – The National Security Act reorganizes the United States government's military and intelligence services.
1927 – The Columbia Broadcasting System goes on the air.
1873 – The U.S. bank Jay Cooke & Company declares bankruptcy, contributing to the Panic of 1873.
1851 – First publication of The New-York Daily Times, which later becomes The New York Times.
1850 – The U.S. Congress passes the Fugitive Slave Act of 1850.
1838 – The Anti-Corn Law League is established by Richard Cobden.
1793 – The first cornerstone of the United States Capitol is laid by George Washington.
