This is purely a list. I will be doing this in several parts. Each part will address a different kind of political, religious or group violence. If you find that I have missed something in my list, please add it as a comment. If it fits my criteria, I will edit my master list to include it.
Lets Start With Riots. I know I'm missing a few prison and jail riots. My criteria here is that it must be an actual mass riot, not the actions of a handful of people.
Arthur McDuffie Riots 1980: In response to the acquittals in the Arthur McDuffie case, the African American population of Miami violently protested, vandalized and looted throughout the city. Racially motivated.
Chattanooga Riot 1980: In response to the acquittals in the KKK murder case, the African American population of Chattanooga violently protested, vandalized and looted throughout the city. Racially motivated.
New Mexico State Penitentiary Riot 1980: Prison riot.
Overtown-Miami Riots 1982: When two Hispanic police officers killed an African American youth, there was immediate rioting. Violent protests, vandalization and looting resumed with the aquittal of the officers involved. Racially motivated.
Washington Anti-Klan Riot 1982: In response to a large KKK presence in Lafayette Park, the African American population of Washington D.C. violently protested throughout the city. Racially motivated.
Sing-Sing Prison Riot 1983: Prison riot.
Cedar Fest 1983-88, 2008-2010: Annual college celebration that devolves to violence and vandalism most years. No political motivation, pure hooliganism.
Aggieville Riots 1984-86: Sports celebration that turned into violence and vandalism. No political motivation, pure hooliganism.
Lawrence Massachusettes Race Riots 1984: Violent riots and vandalism broke out between the Caucasian and Hispanic populations of the Lawrence. Racially motivated.
Cuban Inmate Riots 1987: Cuban nationals in U.S. prisons rioted when it was announced they would be repatriated in Cuba. Anti-socialist political motivation.
Pioneer Days Riot 1987: Student led violent riots and vandalism caused by police crack down on parties at Chico State. No political motivation, pure hooliganism.
Tampa Riots of 1987: In response AG's refusale to press charges in the Melvin Eugene Hair case, African American populations all over the city violently protested, vandalized and looted. Racially motivated.
Hot Biscuit Riot 1988: Details unknown, Shreveport, Louisianna.
SCI Camp Hill Riot 1988: Prison riot.
Tompkins Square Police Riots 1988: Police action against the homeless in the park sparked violent rioting, the majority of the violence on the police's part. Police riot.
Wisconsin Walleye War 1988-1991: Caucasian sport fishing groups violently protested the fishing rights of the Ojibwe population. Pipe bombs and other violent tactics were used. Racially motivated.
Miami Riot 1989: In response to the acquittals in the William Lozano case, African American populations all over the city violently protested, vandalized and looted. Racially motivated.
Tampa Riots of 1989: In response to the death of Edgar Allen Price at the hands of police, African American populations all over the city violently protested, vandalized and looted. Racially motivated.
Crowne Heights Riot 1991: In response to the death of a child in an auto accident, the African American and Carribean American population of the area violently protested, vandalized and looted the Jewish population. Racially motivated.
Mount Pleasant Riot 1991: In response to the shooting of a Salvadoran immigrant by police, the Hispanic population of Mount Pleasant violently protested, vandalized and looted. Racially motivated.
Riverport Riot 1991: Violence and vandalism incited by the band Guns and Roses leaving the stage early. No political motivation, pure hooliganism.
Rodney King Riots 1992: In response to the acquittals in the Rodney King case, African American populations all over the country violently protested, vandalized and looted their own neighborhoods. Racially motivated.
Southern Ohio Correctional Facility 1993: Prison riot.
Mifflin Street Block Party 1996: Violence and vandalism at a local street party. No political motivation, pure hooliganism.
St. Petersburg, Florida Riot 1996: The African American population in the Midtown area violently rioted, vandalized and looted during the investigation of the police killing of Tyron Lewis. Racially motivated.
Miami University Riots 1998: Students celebrating end of final exams violently rioted. No political motivation, pure hooliganism.
Washington State University Riot 1998: Students violently rioted against the ban of alcohol at fraternity events. No political motivation, pure hooliganism.
Woodstock 1999: Music concert turned into violence. Violence and looting during the performance of Limp Bizkit's song, "Break Stuff." No political motivation, pure hooliganism.
WTO 1999: Protest action turned into violence. Violence and vandalism conducted by a mix of anarchist groups during the legal protest activity of labor unions and other groups. Anarchist, anti-globalization motivation.
Michigan State University Riot 1999: Sports celebration that turned into violence and vandalism. No political motivation, pure hooliganism.
Staples Center Riot 2000: Sports celebration that turned into violence and vandalism. No political motivation, pure hooliganism.
Washington A16 2000: The riot that wasn't. Peaceful protest action that was harshly put down, due to petty vandalism by a handful of Anarchists. Overreaction was caused by the WTO riots the year before. Anarchist, anti-globalization motivation.
Mardi Gras Riots 2001: Violence, vandalism and robbery was committed during Austin's, Fresno's, Philidelphia's and Seattle's Mardi Gras celebrations. It was proven later to be committed by African American youth against Caucasian targets. Racially motivated.
Cinncinatti Riot 2001: In response to the death of Stephen Roach at the hands of police, African American populations all over the city violently protested, vandalized and looted. Racially motivated.
University of Maryland Riot 2001: Sports game loss that turned into violence and vandalism. No political motivation, pure hooliganism.
University of Maryland Riot 2002: Sports celebration that turned into violence and vandalism. No political motivation, pure hooliganism.
Ohio State University Riot 2002: Sports loss that turned into violence and vandalism. No political motivation, pure hooliganism.
Benton Harbor Riot 2003: In response to the death of Stephen Roach in a police chase, African American populations all over the city violently protested, vandalized and looted. Racially motivated.
University of Minnesota Riot 2003: Sports celebration that turned into violence and vandalism. No political motivation, pure hooliganism.
San Luis Obispo Mardi Gras Riot 2004: Violence and vandalism incited by the police shutting down several parties full of college students. No political motivation, pure hooliganism.
VEISHA Riot 2004: Student celebration that turned into violent rioting. No political motivation, pure hooliganism.
Toledo Riot 2005: In response to a Neo-Nazi rally; the African American population, Anarchists and Socialists violently protested in the city's North End. Racially motivated.
San Bernardino Punk Riot 2006: Music concert turned into violence. Violence broke out between Neo-Nazi skinheads and non-racist skinheads that drew in most of the crowd. Racially motivated.
New Castle Correctional Facility Riot 2007: Prison riot.
Northpoint Training Center Riot 2009: Prison riot.
From looking at this list, the vast majority of riots appear to be either racially motivated or general hooliganism.
