Andrew Jackson's nickname was Old Hickory.

Andrew Jackson, the seventh President of the United States, was well-known by the nickname "Old Hickory." This title embodied his tough and resilient character, as well as his military experience, especially during the War of 1812. The nickname also underscored his origins, as hickory wood is celebrated for its strength and durability. Jackson garnered admiration for his leadership and determination, qualities that resonated with many Americans. His nickname became a representation of his passionate spirit and his connection to the common man, further cementing his legacy in American history. "Old Hickory" continues to symbolize Jackson’s lasting impact and the complexities of his presidency.