Louis Armstrong was born in 1901 in New Orleans to a poor single mother. He was sent to a boys home where he learned music and became a band leader. He later joined King Oliver's band in Chicago which was very successful. Armstrong helped popularize jazz music and scat singing. He toured internationally, recording many hit songs and was considered a jazz legend, bringing joy through his trumpet playing. He was known as the "King of Jazz" and helped spread jazz music around the world.