Question: When did the colonies became the united states?
Disambiguated questions and answers: question: When did the colonies became the united states by ratifying the Articles of Confederation?
When did the colonies declare themselves the united states by vote?
When did the colonies became the united states by confirming their separation from the British?
When did the colonies became the united states with the adoption of the Declaratin of Independence?
answer: March 1, 1781
July 2, 1776
September 3, 1783
July 4, 1776
Natural Questions answer: 1776 (from the Wikipedia article "Thirteen Colonies")