Question: When did the united states became a state?
Disambiguated questions and answers: question: When did the united states declare itself an independent state?
When did the united states become a state under ratification of its first constitution?
When did the united states become a state under an effective Constitution?
answer: July 4, 1776
March 1, 1781
March 4, 1789
Natural Questions answer: 1776 (from the Wikipedia article "History of the United States")