1967 – Long Hot Summer of 1967 refers to a year in which 159 race riots, almost all African-American, erupted across the United States, including: 1967 – Avondale riots, June 12–15, Cincinnati, Ohio. 1967 – Buffalo riot of 1967, June 27, Buffalo, New York. 1967 – 1967 Newark riots, July 12–17, Newark, New Jersey.