Theres good news for American education. About three-quarters of residents 74% know the U.S. declared its independence from Great Britain in 1776. The bad news for the academic system 26% do not. This 26% includes one-fifth who are unsure and 6% who thought the U.S. separated from another nation. That begs the question, From where do the latter think the U.S. achieved its independence? Among the countries mentioned are France, China, Japan, Mexico, and Spain. 7/2: Don Also 26% don't know why we celebrate the 4th of July.