who was swimming in Lake Michigan drifted near a beach that whites considered their own. A white man on a breakwater assailed the black youth with stones and the youth drowned. The white Chicago police officers who investigated the incident refused to arrest the assailant. The tension escalated into riots between blacks and whites. The Governor of Illinois, Frank Lowden, called in the Illinois National Guard to quell the unrest, but at least 38 people were killed and 500 injured over a period of seven days. 1921 Tulsa Race Riots 31 May-1 June 1921, Tulsa, Oklahoma, US. 1935 Harlem Riot 19 March 1935, New York City, US 1949 Anacostia Pool Riot 29 June 1949, Washington, D.C. US 1958 Notting Hill race riotslate August and early September 1958, London, UK 1960s Rochester 1964 race riot 24–26 July 1964 Cyprus crisis of 1963–64 Major riots in the cities of Nicosia, Famagusta and Larnaca led to the division of Cyprus, and its two communities, the Turkish and Greek Cypriots. Harlem riot of 1964 16–22 July 1964, New York City, New York, provoked by the NYPDs shooting of black teenager James Powell. Philadelphia 1964 race riot 28–30 August 1964, Philadelphia, Pennsylvania, US, Allegations of police brutality sparked the Columbia Avenue race riots. Watts Riots 11 August 1965, Los Angeles, California, US, The McCone Commission investigated the riots finding that causes included poverty, inequality, racial discrimination and the passage, in November 1964, of Proposition 14 on the California ballot overturning the Rumford Fair Housing Act, which established equality of opportunity for black home buyers. Hough Riots 18 July 1966, Cleveland, Ohio, US, The underlying causes of the riots may found in the social conditions that exist in the ghettos of Cleveland. Racial tension in Omaha, Nebraska 5 July 1966, North Omaha, Nebraska, US, More than 500 black youth gathered to protest the absence of recreation programs and jobs storm a local business district, throwing rocks and bricks at Jewish-owned businesses in the area. The National Guard is called in after three days of random violence and organized raids. 1967 Newark riots 12 July 1967, Newark, New Jersey, US, Factors that contributed to the Newark Riot: police brutality, political exclusion of blacks from city government, urban renewal, inadequate housing, unemployment, poverty, and rapid change in the racial composition of neighborhoods. 1967 Plainfield riots 14 July 1967, Plainfield, New Jersey, US 12th Street riot 23 July 1967,