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The US issued its first national paper money

On this day · 10 March 1862
45 sec read

To pay for the Civil War, the Union printed legal-tender notes whose green backs gave them a lasting nickname.

Verified · U.S. Capitol Visitor Center — Greenbacks (United States notes) issued March 10, 1862

On March 10, 1862, with the Civil War draining the Union’s gold and silver, the federal government began issuing United States Notes — the country’s first national paper currency. Authorized by the Legal Tender Act, the notes were not redeemable for precious metal; they circulated on the full faith and credit of the United States and had to be accepted for most debts.

The public quickly nicknamed them “greenbacks,” after the green ink printed on their reverse to deter counterfeiters. The earliest $5 note carried the Capitol’s Statue of Freedom and a portrait of Alexander Hamilton.

Nearly half a billion dollars in greenbacks were printed over roughly three years.

The experiment was bold and unpopular. Detached from gold, the notes lost value and stoked inflation, and after the war Washington labored to make them redeemable again. Yet they permanently shifted American money toward a federally managed, paper-based system.

$5
earliest note
1862
year

Sources & references

2 references

Well-established. Corroborated by 2 independent sources.

1 U.S. Capitol Visitor Center — Greenbacks (United States notes) issued March 10, 1862 government “Greenbacks (United States notes) issued March 10, 1862 ... the first national currency of the United States ... lawful money backed by the credit of the federal government.” visitthecapitol.gov ↗
2 EBSCO Research Starters — 'Misinformation effect' institution “On March 10, 1862, during the height of the American Civil War, the Union government of the North began to issue paper money ... the currency earned the nickname "greenback."” ebsco.com ↗
✓ Last reviewed Jun 7, 2026

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