How many race riots happened during the red summer of 1919

Red Summer is the period from late winter through early autumn of 1919 during which white supremacist terrorism and racial riots took place in more than three dozen cities across the United States, as well as in one rural county in Arkansas. The term "Red Summer" was coined by civil rights activist and author James Weldon Johnson, who had been employed as a field secretary by the National Association for the Advancement of Colored People (NAACP) since 1916. In 1919, he organized peaceful protests against the racial violence which had occurred that summer.[

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 Most importantly, Berlin was a major site of political confrontation between the United States and Soviet Union, whose leaders were threatening one another with nuclear war. The city became a heated microcosm of Cold War politics. so i believe it the first one

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