A day after murdering actress Sharon Tate and four others, members of Charles Manson's cult kill Leno and Rosemary LaBianca. Manson personally orchestrates the event, but leaves the LaBianca house before the killing starts.

The serial killer and arsonist known as Son of Sam and the .44 Caliber Killer, is arrested in Yonkers, New York. He turns out to be 24-year-old postal employee David Berkowitz. He had been killing people in the New York area for most of the previous year.

The United States detonates a nuclear bomb codenamed Fat Man over the city of Nagasaki. It is the second atomic bomb dropped on Japan. 40,000 to 75,000 people are killed immediately, with tens of thousands more sickening and dying later due to radiation poisoning. The U.S. had plans to drop as many as seven more bombs on Japan, but the nation surrendered days later.

Members of a cult led by Charles Manson murder pregnant actress Sharon Tate and coffee heiress Abigail Folger, along with Wojciech Frykowski, Jay Sebring, and Steven Parent. The crimes terrify the Los Angeles celebrity community, and even today continue to fascinate the worldwide public.

A fifteen member gang robs a train of £2.6 million at Bridego Railway Bridge, Ledburn near Mentmore in Buckinghamshire, England. Thirteen of the fifteen are later caught, but some subsequently escape from prison, and one, Ronnie Biggs, is only recaptured in 2001 after voluntarily returning to England.

After two years of public outcry over the Watergate scandal, U.S. president Richard M. Nixon announces to a national television audience that he will resign, effective the next day. Vice President Gerald R. Ford completes the remainder of Nixon's term.