the acoustic guitar came from spain (an instrument with six strings), created by antonio torres jurado. but at the beginning, the guitar was different with what we see the guitar now. in the 16th to 17th centuries, the guitar became popular in europe. in the 18th century, the guitar changed to be similar to how it is now. but before the 19th century, many people thought the guitar could not be same as a piano or violin. they thought it could not play classical music. but at the beginning of 19th century, a famous guitar player, fernando sor, made the guitar become more popular and he made more people like playing the guitar. before the 20th century, people played the acoustic guitar. in the 20th century, a musician in united states, leo fender, invented the electric guitar.