Independence Day in the United States, also known as the 4th of July, is the celebration of the adoption of the Declaration of Independence. It was written by Thomas Jefferson and signed by the Second Continental Congress on July 4th, 1776. This statement gave the colonies freedom from Great Britain. Independence Day was first observed in Philadelphia on July 8th, 1776. In 1941, Congress declared July 4th a federal legal holiday.  

public reading of the  Declaration of Independence by Colonel John Nixon.  There are thirty places in the United States with "liberty" in their name. Liberty, Missouri has the highest population of them at 26,232. Iowa has four (Libertyville, New Liberty, North Liberty and West Liberty).

The origin of Uncle Sam is believed to come from the year 1812, when Samuel Wilson was a meat packer who provided meat to the US Army. The meat shipments were stamped with the initials, U.S. Someone joked that the initials stood for "Uncle Sam". This joke eventually led to the idea of Uncle Sam symbolizing the United States government.