The historic event commemorated on July 4th in the United States is Independence Day. This day marks the adoption of the Declaration of Independence on July 4, 1776, when the thirteen American colonies declared their intention to separate from British rule. The declaration, primarily authored by Thomas Jefferson, articulated the colonies’ grievances against King George III and asserted their natural rights to life, liberty, and the pursuit of happiness. Today, Independence Day is celebrated with fireworks, parades, family gatherings, and various patriotic displays, reflecting on the values of freedom and democracy that the nation was founded upon.