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Congress makes it official: the union is now called the United States

A two-word change in the record books quietly retires "United Colonies" for good.

Two months after declaring independence, the states still lacked a settled name for what they had become. On September 9, 1776, the Continental Congress, meeting at Pennsylvania's State House (now known as Independence Hall) in Philadelphia, formally replaced "United Colonies" with "United States" across its official records. Charles Thomson, the Congress's secretary, entered the change into the journal he kept for the body. The new name stuck. It survived the war, the Articles of Confederation, and every government that followed.

Independence Hall, Philadelphia, Pennsylvania
The American Throughline

The name change was a small act with an enormous implication: colonies answer to a mother country, states do not. Congress was telling Britain, and itself, that there was no going back to the old relationship. The phrase carried forward into the Constitution's preamble, onto currency, and into the treaties that followed.

Did you know
QWhy did the engrossed Declaration of Independence get signed nearly a month after its stated date?

The parchment copy of the Declaration bears the date July 4, 1776, but Congress did not order it engrossed until July 19, and most delegates did not actually sign it until August 2. The gap existed because the July 4 vote approved the text itself, while the formal, calligraphed version for signatures took weeks to prepare. Some members present in Philadelphia that August had not even been delegates back in July. The parchment implies a single ceremonial moment that never actually happened that way.

QWhat structural rule kept any one state from dominating a vote in Congress?

Congress required each state delegation to caucus internally first, then cast a single bloc vote, regardless of how many delegates that state sent. If a delegation split evenly, its vote counted as divided and was tossed out entirely rather than counted either way. This one-state-one-vote system meant a small colony like Delaware carried the same weight as populous Virginia. The design borrowed directly from the 1765 Stamp Act Congress, where nine future delegates to the First Continental Congress had already practiced this exact method of building consensus among colonies with wildly different populations and interests.

QHow did France's navy tip the balance in the war Congress was fighting when it renamed itself?

Benjamin Franklin, serving as ambassador to France, secured not just a loan but a commitment of roughly 6,000 French soldiers and a squadron of warships under the Comte de Grasse. Those ships sailed to the Virginia and North Carolina coast and blocked the James River and Hampton Roads, cutting off Lord Cornwallis's route to supplies, reinforcements, or escape. That naval blockade proved decisive at Yorktown in October 1781, forcing Cornwallis to surrender his entire army to Washington. Five years after that journal entry, French sailors recruited through Franklin's diplomacy helped force Cornwallis's surrender at Yorktown.

More from September 9
1850

California enters the Union, skipping territorial status altogether

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1942

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19571776 Club
The bill survived Strom Thurmond's 24-hour filibuster only after Senate Democrats stripped its strongest voting protections.
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19651776 Club
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Read the full September 9 edition →Everything that happened on September 9 →
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