The Second Continental Congress issued two million dollars in bills of credit on the 22nd of June 1775. This decision occurred just days after the Battle of Bunker Hill during the American Revolution.
Alexander Hamilton took his oath as first secretary of the treasury on the 11th of September 1789. He served as George Washington's aide-de-camp during the Revolutionary War before this appointment.
Sophia Holmes became the first Black woman employed by the Treasury Department in 1861. She worked as a janitor under Secretary of the Treasury Francis Spinner while earning fifteen dollars per month.
The Secret Service transferred to the newly created Department of Homeland Security on the 1st of March 2003. This shift marked a significant change in how financial crimes were investigated across federal lines.
The United States Department of the Treasury suffered a data breach following a cyberattack likely conducted by Russia in 2020. This incident represented the first detected case of the wider 2020 United States federal government data breach.