87 years I believe. In Lincoln's speech at Gettysburg, he said "four score and seven years ago" which is 87 yeras and he was referring to when the Constitution was signed.
The African nation that's has been independent is the Ethiopia
No. Japan has always been an independent nation.
Yes. The United States has always been an independent nation, so it would have naturally been independent when it entered the First World War.
The US has been independent since it's founding in 1776.
The North--due to their level of industrialization, access to raw materials, and wealth.
Korea has always been an independent nation. Of course there were periods of contraversy , but the country has been able to keep their name, though occupation may have been involved.
wenever it wanted to
80 years. The Revolutionary War ended in 1781 and the Civil War began in 1861.
Guyana became an independent nation on 26 May 1966.
this is there first as an independent nation
Macedonia
Mexico has been an independent country since 1821.