andrew jackson originally known as andrew jackson, jr. (march 15, 1767 – june 8, 1845) was an american politician. he was a general in the war of 1812. he later became the seventh president of the united states of america. he was the first democrat and is on the twenty dollar bill. his nickname was "old hickory". he forced many native americans to leave their homeland so white people could live there, and many died. this was called the trail of tears.