Question: When did ragtime flourished in the united states?
Disambiguated questions and answers: question: When did ragtime flourish and have peak popularity in the united states?
When did ragtime revival flourish in the united states?
answer: 1895 and 1919
start of the 20th century
early 1970s
1970s
Natural Questions answer: between 1895 and 1918 (from the Wikipedia article "Ragtime")