In a press release, Groupon announced a President's Day weekend discount of $10 off of $40, honoring Alexander Hamilton, who Groupon mistook as a former president.
The Friday announcement was titled, "Groupon Celebrates Presidents Day by Honoring Alexander Hamilton," and urged customers to "Commemorate a man historically powerful enough to be on money with $10 towards $40 on a local purchase while they last."
The release, still featured Sunday on Groupon's press page, states, "The $10 bill, as everyone knows, features President Alexander Hamilton -- undeniably one of our greatest presidents and most widely recognized for establishing the country's financial system."
It also featured a picture of the $10 bill with the caption, "President Alexander Hamilton on the $10 bill."
The first Secretary of Treasury, Alexander Hamilton, was a founding father, played a key role in writing the Constitution, was chief of staff to General George Washington and is considered the founder of the nation's financial system.
But he was never a president.
A media inquiry for comment was not immediately returned.
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