9 September – On this day

In 1776, the Continental Congress formally declares the name of the new nation to be the “United States” of America. This replaced the term “United Colonies,” which had been in general use.

In the Congressional declaration dated September 9, 1776, the delegates wrote, “That in all continental commissions, and other instruments, where, heretofore, the words ‘United Colonies’ have been used, the stile be altered for the future to the “United States.”