In 1861, The U.S.
government began issuing “Demand Notes.” This
was the first paper money circulated by the federal government
in almost a century. The government needed money to finance
the Civil War, so while people in Congress debated about whether
or not the government had the authority to print money, the
government began printing demand notes.
The faces of the new bills were black, but the reverses were
printed in green, so people called them “greenbacks.”
Demand notes did not have a treasury seal or signatures.
The national Southern government (the Confederacy) also printed