Tommie Smith and John Carlos, gold and bronze medalists in the 200-meter run at the 1968 Olympic Games, engage in a victory stand protest against unfair treatment of blacks in the United States. With heads lowered and black-gloved fists raised in the black power salute, they refused to recognize the American flag and national anthem. Australian Peter Norman is the silver medalist

The Beatles pose together on February 28, 1968. From left are Paul McCartney, John Lennon, Ringo Starr, and George Harrison. This was the year they released the White Album.

Firemen battle a blaze on 125th Street in Harlem, New York, on April 4, 1968, after a furniture store and other buildings were set on fire after it was learned that civil-rights leader Dr. Martin Luther King Jr. had been assassinated

Fashion in 1968. Left: A male model wears a silk jersey print pajama leisure suit, sandals, and a necklace at a fashion show in New York on January 9. The show was entitled "Clothing for the Emancipated Man." Center: A sculpted silver necklace designed by Pierre Cardin features a diamond worth $60,000. The necklace is built into the halter that is part of a long black crepe evening gown presented in his spring collection in Paris, France, in February. Right: A cocktail dress of printed pure silk with a full skirt, a creation by the Fontana Sisters fashion house of Rome, to be presented at the upcoming Italian spring-summer ready-to-wear fashion show that opened in Florence on November 6, 1968

South Vietnamese General Nguyen Ngoc Loan, chief of the national police, fires his pistol, executing suspected Viet Cong officer Nguyen Van Lem (also known as Bay Lop) on a Saigon street on February 1, 1968, early in the Tet Offensive. Lem was suspected of commanding a death squad which had targeted South Vietnamese police officers that day. The fame of this photo led to a life of infamy for Nguyen Ngoc Loan, who quietly moved to the United States in 1975 and opened a pizza shop in Virginia.