Which territory is officialy part of a European?

September 3, 1783.

Explanation:

On September 3, 1783, by signing the Treaty of Paris, the American Revolutionary War was officially ended, resulting in American independence. The Revolution was ended when General Cornwallis surrendered the British position at Yorktown, Virginia in October 1781. Two years later, the Treaty of Paris officially announced the independence of America. The Treaty was signed by representatives of King George III (Great Britain) and representatives of the U.S.

yes i can of course like what is it gonna be about

i thinl it is the 1st answer