Security struggle in USA

A common definition of terrorism is the systematic or threatened use of violence in order to intimidate a population or government and thereby affect political, religious, or ideological change.^[3][4] This article serves as a list and compilation of acts of terrorism, attempts of terrorism, and other such items pertaining to terrorist activities within the domestic borders of the United States by non-state actors or spies acting in the interests of or persons acting without approval of state actors.

Left-wing extremism and anti-government[edit]

• September 6, 1901: President William McKinley assassinated by Michigan born Russian-Polish anarchist, Leon Czolgosz, in Buffalo, New York.
• October 1, 1910: Los Angeles Times bombing. The Los Angeles Times building in Los Angeles was destroyed by dynamite, killing 21 workers. The bomb was apparently placed due to the paper's opposition to unionization of its employees;^[11] the McNamara brothers were found guilty.
• November 24, 1917: A bomb explodes in a Milwaukee police station, killing nine officers and a civilian. Anarchists were suspected.^[15][16]
• 1919 United States anarchist bombings
• September 16, 1920: Wall Street bombing
• 1969-1977: Weather Underground, a radical socialist movement, committed dozens of bombings and other terrorist activities over this time period. List of Weatherman actions
• August 7, 1969: Twenty were injured by radical leftist Sam Melville in a bombing of the Marine Midland Building in New York City.
• September 18, 1969: The Federal Building in New York City was bombed by radical leftist Jane Alpert.^[29]
• October 7, 1969: Fifth floor of the Armed Forces Induction Center in New York City was devastated by explosion attributed to radical leftist Jane Alpert.
• November 12, 1969: A bomb was detonated in the Manhattan Criminal Court building in New York City. Jane Alpert, Sam Melville, and 3 other militant radical leftists were arrested hours later.^[29][30]
• 1971 - 1975: The New World Liberation Front was a radical left-wing group in the San Francisco area in the 70's who conducted multiple bombings in the Bay area over a 3-year period. They claim almost 50 successful bombings.^[142]
• March 1, 1971: The radical leftist group Weather Underground exploded a bomb in the United States Capitol to protest the U.S. invasion of Laos.^[143]
• June 13, 1974: The 29th floor of the Gulf Tower in Pittsburgh, Pennsylvania, was bombed with dynamite at 9:41 pm resulting in no injuries. The radical leftist group Weather Underground took credit, but no suspects have ever been identified.^[33]
• November 7, 1983: U.S. Senate bombing. The Armed Resistance Unit, a militant leftist group, bombed the United States Capitol in response to the U.S. invasion of Grenada.
• May 2002: Lucas John Helder rigged pipe bombs in private mailboxes to explode when the boxes were opened. He injured 6 people in Nebraska, Colorado, Texas, Illinois, and Iowa. His motivation was to garner media attention so that he could spread a message denouncing government control over daily lives and the illegality of marijuana, as well as promote astral projection.
• June 14, 2017 James T. Hodgkinson, a supporter of presidential candidate Senator Bernie Sanders of Vermont was distraught over the 2016 election of President Donald J. Trump,^[144] and opened fire on an Arlington, VA baseball field where the Republican congressional team was practicing for the following day's Congressional Baseball Game. Majority whip Representative Steve Scalise of Louisiana was one of four who were wounded. Hodgkinson was fatally shot by police who arrived at the scene within a few minutes of the shooting.^[5]

White supremacy[edit]

• 1951: Wave of hate related terrorist attacks in Florida. Blacks dragged and beaten to death, 11 race related bombings, dynamiting of synagogues and a Jewish School in Miami and explosives found outside Catholic Churches in Miami.^[21][22]
• 1988: Frazier Glenn Miller Jr. a Vietnam Veteran and who according to the Southern Poverty Law Center founded the Carolina Knights of the Ku Klux Klan in the early 1980s served three years in Federal penitentiary for trying to assassinate Morris Dees founder of the Southern Poverty Law Center. The FBI found a cache of weapons in his home after they used tear gas to drive him out and arrest him. He testified against 14 White Supremacists as part of a plea bargain deal.^[145]
• January 17, 2011: 2011 Spokane bombing attempt
• August 5, 2012: Wisconsin Sikh temple shooting: Wade Michael Page killed six people at a Sikh temple in Oak Creek, Wisconsin before being killed by police officers. During the investigation of the crime, police found out that Page was a member of white supremacist and neo-Nazi organizations. With this evidence, the police concluded that racial hatred was the main cause of the murders.
• June 17, 2015: Charleston church shooting: Suspect Dylann Roof carried out a mass shooting at Emanuel African Methodist Episcopal Church in downtown Charleston, South Carolina, United States. The church is one of the United States' oldest black churches and has long been a site for community organization around civil rights. Nine people were killed, including the senior pastor, Clementa C. Pinckney, a state senator. A tenth victim was also shot, but survived. The FBI has not officially classified the act as terrorism, which was met with controversy.^[146]
• March 20, 2017: Stabbing of Timothy Caughman: James Harris Jackson, a 28-year-old Afghan War veteran, traveled to New York City from his hometown of Baltimore with the intention of killing black men there. Three days after arriving at New York City, Jackson stabbed Caughman, a black man, to death with an 18-inch sword. He then turned himself in to authorities. Jackson was charged with one count each of murder in the first and second degrees as an act of terrorism, second-degree murder as a hate crime, and three counts of criminal possession of a weapon.

Antisemitism[edit]

• October 12, 1958: Bombing of the Hebrew Benevolent Congregation Temple of Atlanta, Georgia. The acts were carried out by white racists.
• June 18, 1984: Alan Berg, Jewish lawyer-talk show host was shot and killed in the driveway of his home on Capitol Hill, Denver, Colorado, by members of a White Nationalist group called The Order. Berg had stridently argued with a member of the group on the show earlier who was convicted in his murder.
• August 10, 1999: Los Angeles Jewish Community Center shooting in Granada Hills, California of Los Angeles. 5 people were wounded in the Jewish community center and its daycare facility. The gunman, Buford O. Furrow had antisemitic and anti-government views. Shortly thereafter, Furrow murdered a mail carrier, fled the state, and finally surrendered to authorities.^[147]
• June 10, 2009: United States Holocaust Memorial Museum shooting: 88-year-old James Wenneker von Brunn, a white supremacist and neo-Nazi, walked into the U.S. Holocaust Memorial Museum in Washington, D.C., shooting and mortally wounding Stephen Tyrone Johns, a security guard. Von Brunn was wounded when other museum guards immediately returned fire and on January 6, 2010, von Brunn died of natural causes at a hospital near where he was imprisoned awaiting trial.^{[148][149][150]} During the investigation it was discovered that von Brunn had planned to target White House senior adviser David Axelrod leading to increased protection for Axelrod and other steps.^[151]
• April 13, 2014 Overland Park Jewish Community Center shooting: 3 killed 1 critically injured in shootings at Jewish Community Center of Greater Kansas City and Village Shalom in Overland Park, Kansas. Suspect is 74-year-old Frazier Glenn Miller, Jr..^{[145][152][153]} On April 27, 2015, Miller told the Associated Press he plans to plead guilty and his motivation was to "put the Jews on trial where they belong".^[154]

Puerto Rican nationalism[edit]

• March 1, 1954: United States Capitol shooting incident. Four Puerto Rican nationalists shoot and wound five members of the United States Congress during an immigration debate.
• October 14, 1969: The Fuerzas Armadas de Liberación Nacional (FALN), a Puerto Rican nationalist group, claims responsibility for a small bomb explosion at Macy's Herald Square
• January 24, 1975: FALN bombs Fraunces Tavern in New York City, killing four and injuring more than 50.
• December 29, 1975: A bomb set off by FALN in East Harlem, New York, permanently disables a police officer while causing him to lose an eye.
• August 3, 1977: FALN bombs exploded on the twenty-first floor of 342 Madison Avenue in New York City, which housed United States Department of Defense security personnel, as well as the Mobil Building at 150 East Forty-Second Street, killing one. In addition the group warned that bombs were located in thirteen other buildings, including the Empire State Building and the World Trade Center resulting in the evacuation of one hundred thousand people. Five days later a bomb attributed to the group was found in the AMEX building.^[155]
• May 3, 1979: FALN exploded a bomb outside of the Shubert Theatre in Chicago, injuring five people.
• March 15, 1980: Armed members of FALN raided the campaign headquarters of President Jimmy Carter in Chicago and the campaign headquarters of George H. W. Bush in New York City. Seven people in Chicago and ten people in New York were tied up as the offices were vandalized before the FALN members fled. A few days later, Carter delegates in Chicago received threatening letters from FALN.
• May 16, 1981: One was killed in an explosion in the toilets at the Pan Am terminal at New York's JFK airport. The bombing is claimed by the Puerto Rican Resistance Army.^[156]
• December 31, 1982: FALN explodes bombs outside of the 26 Federal Plaza in Manhattan, Federal Bureau of Investigation Headquarters and a United States courthouse in Brooklyn. Three New York Police Department police officers are blinded with one officer losing both eyes. All three officers sustained other serious injuries trying to defuse a second Federal Plaza bomb.