Analysis of information sources in references of the Wikipedia article "USA's uafhængighedserklæring" in Danish language version.
Fifty-five percent say it commemorates the signing of the Declaration of Independence (this is a common misconception, and close to being accurate; July 4th is actually the date in 1776 when the Continental Congress approved the Declaration, which was officially signed on August 2nd.) Another 32% give a more general answer, saying that July 4th celebrates Independence Day.