On this date in history:

In 1830, the Book of Mormon was published.

In 1953, U.S. Dr. Jonas Salk announced he had successfully tested a vaccine against poliomyelitis, the virus that causes polio.

In 1971, East Pakistan achieved independence as Bangladesh.

In 1975, the city of Hue in South Vietnam fell to the North Vietnamese army.

In 1979, Israel and Egypt signed a peace treaty at the White House, ending 30 years of hostilities.

In 1991, Mali's dictator, Gen. Moussa Traore, was overthrown in a violent overnight military coup. Fifty-nine people died.

In 1992, former heavyweight boxing champion Mike Tyson, convicted of raping a teenage beauty pageant contestant, was sentenced to six years in prison. Tyson was released after three years.

In 1997, 39 members of the Heaven's Gate religious cult were found dead in a large house in Rancho Mirage, Calif., in what authorities said was a mass suicide.

In 1998, Bill Clinton became the first U.S. president to visit South Africa.

In 1999, Dr. Jack Kevorkian, the euthanasia advocate, was convicted of second-degree murder in an Oakland County, Mich., courtroom for the videotaped medicide of a man suffering from Lou Gehrig's disease.

In 2000, acting Russian President Vladimir Putin was elected president by a more than 20 percent margin. Putin won a third term in 2012.

In 2014, a National Labor Relations Board regional director ruled that Northwestern University scholarship football players were employees of the school and entitled under federal law to form a union.

In 2019, a Dutch art investigator announced he found a Pablo Picasso painting -- Portrait of Dora Maar -- 20 years after it was stolen off a Saudi sheikh's yacht.

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