What kind of jazz did Louis Armstrong play?

Louis Armstrong played a style of jazz known as "Hot Jazz" or "Traditional Jazz". This style was popular during the early 1900s and is characterized by its lively, energetic rhythms, improvised solos, and call-and-response vocals. Armstrong was a pioneer of this style and his trumpet playing, vocals, and stage presence made him a major figure in the jazz world. He was known for his virtuosic technique, his inventive improvisations, and his charismatic stage presence, earning him the nickname "Satchmo". Armstrong's influence can be heard in the work of many later jazz musicians and he is considered one of the most iconic figures in jazz history.