America gained its independence from Great Britain in 1776. The United Kingdom came into being when GB annexed Ireland in 1801.
I'm a first-generation American born and raised in da Bronx, NY (The Empire State, as has been noted)
I know. And after Washington's last term, he warned Americans to identify themselves as Americans and not by their individual states. Then, in 1861, the North and South went to war against each other (Civil War), leading to one of the greatest battles ever, Gettysburg, which lasted three days with the Union taking the win on July 4th, America's birthday.