Johnson was born in Raleigh, North Carolina in 1808, in a house with one room. His family was very poor and he never went to school. He was apprenticed as a tailor and held by a tailor named Selby as an indentured servant, a sort of slave. The contract stated Johnson should work for Selby until he was 21, but Johnson did not like the work and ran away with his brother. The tailor put out wanted posters but Johnson never returned. In the end he started a business of his own in Greeneville in Tennessee, where he met and married Eliza McCardle. She was very ill because of tuberculosis, a sickness of the lung, but Johnson loved her very much. She taught him to read properly and helped him study, which helped him enter politics. He became mayor of Greeneville in 1834, aged 25. In 1843, he was elected to the House of Representatives in Washington D.C. In 1853, he became Governor of Tennessee, the most powerful position in the state. After serving two terms, he was instead elected Senator (in this time, the Tennessee General Assembly elected both these positions, not the people) and returned to Washington D.C. Johnson was very wealthy then and owned several slaves himself. It was a time when the country was at a breaking point because of slavery and other conditions. 