The US has used a wide variety of different currencies between the 1690s and today

There have been many versions of US banknotes throughout history

From the Civil War to the present day, the US has gone through many, many versions of paper money (or “notes”). Some notes, like “demand notes,” were created to finance the Civil War. Others, like “treasury notes,” helped pay for silver.

The US dollar is the official currency of the United States and is the most circulated currency around the world

The US dollar was established in 1792 and comes in the form of coins or paper money. It's considered one of (if not the most) stable currencies in the world due to America’s strong and robust economy, as well as its relatively stable government.

Throughout most of the 1800s, US currency was backed by silver and gold

In post-Civil War America, the government moved to use only the gold standard. This was how US currency was backed for decades in the US. You can read a comprehensive explainer on the gold standard and its history in the US to learn more.

The portrait of George Washington was first placed on the one-dollar bill in 1869

Trace the history of the US dollar from its colonial roots to its adoption as the national currency. The video explores the word's Germanic origins, how the dollar sign evolved from the Spanish peso, and how Washington's portrait came to define US paper currency.

The designs on US coins have changed a lot over the years

From states producing and issuing their own coins after the Revolutionary War, to collectors’ coins in modern times, US coins have had many design changes throughout history. You can learn about the different variations, plus what design elements are added to all US coins today, in an article.

Colonial Americans used tobacco, wampum, and land-backed notes to solve a chronic coin shortage

British coins rarely circulated in the colonies due to an unfavorable trade balance, forcing colonists to improvise. They traded in Spanish dollars, Native American shells, tobacco warehouse receipts, and eventually paper money backed by land rather than gold.

The US once had a $100K bill

There are currently seven denominations of paper money, with the highest value reaching $100. But there used to be more that have since been discontinued, including bills that sported the faces of President William McKinley and President James Madison.

How US currency is issued

Cash in the US is the result of a collaborative process between the Federal Reserve, the Treasury Department, regional banks, and a little-known agency called the Bureau of Engraving and Printing. From design to issuance, learn the steps in currency production in the US with this smart, aesthetic interactive.

Hamilton has appeared on US paper currency since the Civil War

Since the US began printing money in 1861, Alexander Hamilton has appeared at different times on the $5, $2, $20, $50, $500, and $1000 bills. Since 1928, he has remained on the $10 bill—making him, alongside Benjamin Franklin, one of the two non-presidents currently on US currency.

The Federal Reserve tracks how much US currency is circulated around the world every year

It's estimated that about half of US currency is circulated outside of the US. In 2023, there were 54.6B US notes circulated, with 18.9B of those being $100 bills. This chart shows how many US notes have circulated since 1997.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

The Mint’s first circulating coins were 11,178 copper cents

Congress authorized the first national mint in Philadelphia. The next year, the Mint delivered its first circulating coins, which were bigger than today’s quarters. This article shows more early US currency.

The US has carried debt since 1791

After the Revolutionary War, the US owed $75M to nations like France. Debt builds when spending exceeds revenue, funding programs, wars, and economic recovery efforts. Most debt is domestic, like Social Security bonds, with foreign nations also holding a share.

You can find the value of a dollar dating back to 1635

The value of a dollar hasn’t been consistent throughout history. An inflation calculator lets you compare the value of dollars from any two years over the past four centuries.

The US dollar is the most popular note to counterfeit

Counterfeit operations are often controlled by rogue governments, drug cartels, and more. These organized crime rings often sell counterfeit bills wholesale, for anywhere between 40 and 70 cents per dollar.

Some coin denominations have ridges on their sides in part to prevent counterfeiting

You may have noticed that dimes and quarters feature small ridges on their sides that other coins, like pennies and nickels, don't have. This video can help you learn more about why the practice, called "reeding," was first started—and why it's still used today.

The US developed a coin circulation problem in 2020

As people reduced the frequency with which they paid for things in cash and change during the COVID-19 pandemic, opting for tap-to-pay systems or online shopping instead, the number of coins in circulation decreased. Those who did make cash purchases were more likely to keep their change at home rather than use it on a subsequent purchase.

The United States had a washing machine that cleaned dirty dollar bills

In the early 1900s, the US Treasury Department had a machine that washed and ironed old, soiled paper bills. The machine helped the Treasury save money by decreasing printing costs for new dollar bills, but had nothing to do with the modern understanding of money laundering.

Central banking in the US has had a fraught political history

That history includes its doomed early efforts in the First and Second National Banks, as well as its failure to address the worst financial period in US history, the Great Depression.

Visualizing the history of money

Money is any medium of exchange used in payments for goods or services and can take many forms. From cattle and shells in ancient times to paper and blockchain today, money has taken many shapes and sizes. This infographic illustrates some of the major forms of exchange world cultures have used over the last 5,000 years.

Some argue that the $2 bill could be more useful than the $1 bill

Inflation has made purchasing items with just a $1 bill extremely rare. At a time when dollar stores are no longer true to their name, it seems that the $2 note may be the more practical small bill to keep on hand. This article advocates for the use of $2 bills, while detailing their history of being overlooked and the communities that swear by them.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

The highest inflation in US history was estimated at 30% in 1778

This was just after the Revolutionary War. Both World Wars also brought double-digit inflation. It's worth noting that exact inflation rates in early America are difficult to calculate precisely.

The concept of CDs dates back to the 1600s in Europe

Banks in the US started issuing CDs in the early 1800s as the banking system began to take shape following the Revolutionary War. The federal government did not formally insure CDs until the FDIC was formed in 1933.

How America became a nation of gamblers

For thousands of years, humans have liked to gamble. What started as dice games and betting on chariot races became a way for states to generate revenue here in America. This article explores how states have been using gambling to pay for infrastructure and capital projects–and the cost it’s had on the citizens.

Why Americans don’t talk about money

In the United States, asking someone how much money they make (or any questions about money, really) has long been considered rude. But where did this social norm come from originally? And why do Americans still feel so awkward talking about money? This article from The Atlantic takes a deep dive into the socioeconomic forces that created the money taboo. Read the full piece here.

A timeline of US immigration laws

The United States began regulating immigration soon after it won independence from Great Britain, and the laws since enacted have reflected the politics and migrant flows of the times. Here's a timeline of key immigration laws from 1790 to 2014, according to the Pew Research Center.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

A century of Billboard issues documenting the evolution of popular music.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.