All these frustrations boiled over into a race riot in a squatter community outside Kuala Lumpur in March 2001.

ECONOMIST: Malaysia

The coup was the culmination of a race riot in which whites torched the offices of a black newspaper and killed a number of black residents.

NPR: How The Only Coup D'Etat In U.S. History Unfolded

Although some black leaders, including Jesse Jackson, blamed the city authorities for not having supervised the club properly, the race riot that might once have been expected never occurred.

ECONOMIST: The Daley dynasty

Tulsans of all races came together last year to commemorate one of the ugliest events in Oklahoma history, the Tulsa Race Riot, which resulted in the deaths of dozens of residents of the city's then-prospering black community.

WSJ: Federal Authorities Join Probe of Tulsa Shootings

Alfred Moore Waddell, had publicly threatened in a pre-election speech to "choke the current of the Cape Fear River" with black bodies, according to a 2006 report chronicling the events by the 1898 Wilmington Race Riot Commission.

NPR: How The Only Coup D'Etat In U.S. History Unfolded