6th » The Tompkins Square Park Riot (1988) e.g Tompkins Square Park Riot in New York City spurs a reform of the New York City Police Department e.g NYPD, held responsible for the event.
10th » Japanese American internment: U.S. President Ronald Reagan signs the Civil Liberties Act of 1988, providing $20,000 payments to Japanese Americans who were either interned in or relocated by the United States during World War II.
17th » President of Pakistan Muhammad Zia-ul-Haq and Ambassadors of the United States named U.S. Ambassador Arnold Lewis Raphel named Arnold Raphel are killed in a plane crash.
20th » "Black Saturday" of the Yellowstone fires of 1988 e.g Yellowstone fire in Yellowstone National Park
20th » Peru becomes a member of the Berne Convention for the Protection of Literary and Artistic Works called Berne Convention copyright treaty.
20th » Iran–Iraq War: A ceasefire is agreed after almost eight years of war.
20th » The Troubles: Ballygawley bus bombing Eight British soldiers are killed and 28 wounded when their bus is hit by an Provisional Irish Republican Army IRA roadside bomb in Ballygawley, County Tyrone Ballygawley, County Tyrone.
25th » The Chiado area in Lisbon is partially destroyed by a fire.
28th » Ramstein airshow disaster: Three aircraft of the Frecce Tricolori demonstration team collide and the wreckage falls into the crowd. Seventy-five are killed and 346 seriously injured.