Question: The 1967 Detroit riot, also known as the 12th Street riot or the 1967 Detroit rebellion, was one of 159 race riots, that swept cities in the US during the "Long Hot Summer of 1967",it lasted five days and surpassing the violence and property destruction of which event that occurred just 24 years earlier, that  took place in Detroit, Michigan, from the evening of June 20 through the early morning of June 22?
Sentence (from "Detroit race riot of 1943"): Existing social tensions and housing shortages were exacerbated by the arrival of nearly 400,000 migrants, both African American and White Southerners, from the Southeastern United States between 1941 and 1943.
Relevant evidence: No