Photograph by Ting Shen, Xinhua News Agency/Redux
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Fireworks explode over the Washington Monument in Washington, D.C., to celebrate Independence Day on July 4, 2018. The Fourth of July commemorates the adoption of the Declaration of Independence in 1776. In this historic document, the delegates laid out the reasons why the American colonies wished to sever ties with Great Britain.

Photograph by Ting Shen, Xinhua News Agency/Redux
HistoryExplainer

America declared independence on July 2—so why is the 4th a holiday?

The colonies had already voted for freedom from British rule, but debates over slavery held up the formal adoption of the Declaration of Independence.

Fireworks, flags, and hot dogs: The Fourth of July is steeped in patriotism and tradition, and celebrated as the day disgruntled American colonists broke ties with Great Britain and declared their intention to found a democratic nation of their own.

But the history behind the holiday isn’t so clear-cut. The anniversary of American independence is July 2, not July 4. And the revolutionaries who founded the nation didn’t guarantee all of its residents “life, liberty and the pursuit of happiness.”

In 1774, after years of unfair taxation and imperial control, complaints against the British crown had reached a fever pitch in the 13 American colonies. War had begun to look inevitable and so, in September, delegates from the colonies met to discuss their grievances in what they called the Continental Congress.

The process of declaring independence didn’t get underway until June 7, 1776, when Virginia delegate Richard Henry Lee introduced a resolution in the Second Continental Congress. Just 80 words long, the Lee Resolution proposed the dissolution of any political connection between Great Britain and the colonies. Although most delegates supported independence, the proposal was not guaranteed to pass unanimously, so members held off on voting.

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Tourists look up at John Trumbull's painting of the Founding Fathers inside the Rotunda of the United States Capitol. Commissioned in 1817, the painting is titled "The Declaration of Independence" and depicts the presentation of Thomas Jefferson's draft of the Declaration of Independence to the Second Continental Congress.

As delegates lobbied their home states to support the resolution, five men got to work on an accompanying document that laid out the reasons colonists wanted to sever ties with Britain. The Committee of Five, as it became known, was a political dream team: John Adams, Thomas Jefferson, Benjamin Franklin, Roger Sherman, and Roger Livingston. They nominated Jefferson to pen the first draft of what is now known as the Declaration of Independence. (Here are nine common myths about the American Revolution.)

In little more than two weeks, Jefferson churned out a draft that drew on a variety of other documents, including some of the up to 100 similar declarations that had been circulating in the buildup to the Lee Resolution. One, the Fairfax County Resolves, cowritten by George Washington and George Mason, claimed that the colonists’ constitutional rights had been violated by the British Parliament. Another, Mason’s 1776 Virginia Declaration of Rights, affirmed that men had the right to “the enjoyment of life and liberty, with the means of acquiring and possessing property, and pursuing and obtaining happiness and safety.”

Jefferson echoed that language in his draft document, which declared that “all men are created equal” and had an inalienable right to “Life, Liberty and the pursuit of Happiness.” He presented his draft to his fellow committee members and they made extensive edits before submitting it to the Continental Congress on June 28.

With the Declaration of Independence drafted, Congress was ready to debate Lee’s resolution for independence. But a test vote conducted on July 1 was anything but unanimous. Pennsylvania and South Carolina hoped there was still a chance to reconcile with Britain; they voted against independence. Delaware’s delegation was split. And New York abstained—its delegates were under orders not to impede a possible reconciliation.

The next day, on July 2, the delegates tried again. This time, the vote had a different outcome. Caesar Rodney, a Delaware delegate, had ridden through the night to Philadelphia, where he broke Delaware’s stalemate. South Carolina changed its position. And two of Pennsylvania’s delegates simply abstained from the vote, flipping their delegation in favor of independence. That day, the Congress voted unanimously for independence.

“The Second Day of July 1776, will be the most memorable Epocha, in the History of America,” an ecstatic John Adams wrote to his wife Abigail the next day. “I am apt to believe that it will be celebrated, by succeeding Generations, as the great anniversary Festival...It ought to be solemnized with Pomp and Parade, with Shews, Games, Sports, Guns, Bells, Bonfires and Illuminations from one End of this Continent to the other from this Time forward forever more.” (See 25 dazzling pictures of fireworks.)

But the document meant to accompany the resolution wasn’t quite ready. On July 3 and 4, Congress continued to discuss Jefferson’s Declaration of Independence. The most heated debate concerned a passage about slavery in which Jefferson accused King George III of violating the lives and liberty of “a distant people who never offended him, captivating & carrying them into slavery in another hemisphere, or to incur miserable death in their transportation thither.” In another passage, Jefferson accused the king of encouraging enslaved people to escape and join the English forces.

Although the debate was not documented, Jefferson later blamed South Carolina and Georgia for balking at the passage. But the entire Congress shared an economic interest in maintaining the institution of slavery: They knew that the colonies’ economy was largely based on the labor of enslaved people. Many delegates, including Jefferson himself, held slaves and personally profited from their labor.

Instead of laying the foundation for the abolition of slavery, the Congress deleted the controversial passage and combined the fleeting reference to slave revolts with another line from Jefferson’s draft that accused the king of encouraging Native Americans, whom they slurred as “savages,” to attack settlers at the British colonies’ western frontier.

With the Declaration of Independence complete, the Continental Congress voted to adopt it on July 4, 1776. It was received with great fanfare, and July 4—not July 2—is celebrated as the anniversary of American independence. The new republic’s independence would at last be secured with its Revolutionary War victory in 1783. But for those the document left out—enslaved people, Native Americans, and women—the celebrated declaration proved to be anything but a guarantee of equality.