The question is puzzling as the reference to 'Prussia gaining independence' suggests that Prussia was under foreign rule, which was not the case.
Catherine 11 "The Great" helps destroy Polish independence.
Prussia
Nigeria became an independent country in 1 October, 1960, gaining independence from Great Britain. The Federal Republic of Nigeria still lasts today. Source: Wikipedia
Switzerland, Germany, Prussia
Africa has seen the most countries gain independence from European rule in the last 30 years. Many nations on the continent have achieved independence from colonial powers, particularly in the late 20th century, and while most achieved independence earlier, there have been a few instances of nations declaring independence or gaining sovereignty in recent decades. This trend highlights the ongoing process of decolonization and self-determination in Africa.
the Bill of Rights is ratified.
443 S Gulph RD King of Prussia Pa, 19406-3152. Phone: 610-878-7400
The last one to gain independence was Brunei.
It was Matthew Thornton from New Hampshire who is last on the Declaration of Independence
The last colony to accept or sign the Declaration of Independence was Georgia.
The Caribbean Ilsands were the last to gain their independence.
East Timor is the last colony in Asia to gain independence.