major incident;  major happening;  big scandal
 resolution of an incident;  solution to a (criminal) case
 act of terror;  terrorist attack
 criminal nature;  criminality
 incident resulting in injury
 robbery;  robbery case;  burglary
 incident involving the taking of hostages;  hostage situation
 fixer;  dispute resolution specialist
 sarin gas attack on the Tokyo subway (March 20, 1995)
 rare event;  unexpected event
 bribery case;  bribery scandal;  graft case
 Marco Polo Bridge Incident (July 7, 1937)
 Watergate scandal (1972-1975)
 Namamugi Incident (August 1862);  Kanagawa Incident;  Richardson Affair
 scandal;  bribery case;  graft case
 Battle of Khalkhin Gol (1939);  Nomonhan Incident
 disgraceful incident;  scandalous affair;  untoward (deplorable) event
 Aum Shinrikyo incidents;  string of incidents, crimes, etc. committed by the Aum Shinrikyo religious group in the 1980s
 Lockheed bribery scandal (uncovered in 1976)
 trouble caused by a slip of the tongue
 Marco Polo Bridge Incident (July 7, 1937)
 Roe v. Wade (landmark United States Supreme Court decision disallowing many legal restrictions on abortion, 1973)
 Osaka Incident (plot by Oi Kentaro and the Liberal Party to support a Korean uprising; 1885)
 Moroccan Crisis (1905, 1911)
 Tiananmen Square Massacre (1989);  Tiananmen Square Incident
 Toranomon Incident (assassination attempt on Prince Regent Hirohito; December 27, 1923)
 Nanking Incident (targeting of Nanking's foreign properties and residents by Kuomintang troops in March, 1927);  Nanking Massacre (1937);  Rape of Nanking
 February 26 Incident (attempted military coup in Japan; 1936);  February 1936 military revolt
 Asama-Sanso incident (hostage crisis and police siege; February 1972)
 Gulf of Tonkin incident (1964)
 Bay of Pigs Invasion (1961)
 My Lai Massacre (1968);  Son My Massacre
 troubles brought on by what one has written;  incident occasioned by a serious slip of the pen
 February 26 Incident (attempted military coup in Japan; 1936);  February 1936 military revolt
 Watergate scandal (1972-1975)
 Iran-Contra affair (1984-1986;  Irangate
 Toranomon Incident (assassination attempt on Prince Regent Hirohito; December 27, 1923)
 September 11 attacks;  9/11
 litigation related to personal status (e.g. divorce actions)
 murder case in which the victim is chopped into pieces;  mutilation murder case
 Piltdown hoax (1912 discovery of a fossilized ape-human missing-link skull, later revealed to be fraudulent)
 September 11 attacks;  9/11
 My Lai Massacre (1968);  Son My Massacre
 Korean axe murder incident (killing of two US army officers in the DMZ on August 18, 1976);  poplar tree incident
 Matsumoto sarin gas attack (June 27-28, 1994)
 Tungchow Mutiny (1937);  Tongzhou Incident
 Akihabara massacre (June 8, 2008)
 1995 Okinawa rape incident;  kidnapping and rape of a 12-year-old Japanese girl by three U.S. servicemen stationed in Okinawa
 March 1st Movement (Korea);  Sam-il Movement
 Kanemi rice oil disease incident (of 1968)
 Akihabara massacre (June 8, 2008)
 sinking of the South Korean navy ship Cheonan (allegedly by a North Korean torpedo; March 26, 2010)
 the Columbine High School massacre (April 20, 1999)
 Bombardment of Yeonpyeong (November 23, 2010)