George Floyd, a black American man, was murdered (memorial pictured) during an arrest by a white police officer in Minneapolis, sparking protests in the U.S. and other countries.
Naxalite insurgents of the Communist Party of India (Maoist) attacked a convoy of Indian National Congress leaders in the state of Chhattisgarh, causing at least 27 deaths.
The final episode of The Oprah Winfrey Show, the highest-rated daytime talk show in U.S. television history, hosted by Oprah Winfrey (pictured), was broadcast.
North Korea conducted a nuclear test and several other missile tests that were widely condemned internationally and led to sanctions from the United Nations Security Council.
Six-year-old Etan Patz disappeared on his way to school in New York City, and later became one of the first missing children to have his picture featured on milk cartons.
During takeoff from O'Hare International Airport in Chicago, an engine detached from American Airlines Flight 191, causing a crash that killed 273 people in the deadliest aviation accident in United States history.
Joetha Collier, a recent high school graduate, was killed in Drew, Mississippi, in a case that attracted widespread attention from civil rights activists.
Having purged a group of rivals, Supreme Leader of North Korea Kim Il Sung delivered the "May 25 teaching", entrenching his son Kim Jong Il as his designated successor.