Associated Press

On Sept.27, 1964, the government publicly released the report of the Warren Commission, which concluded that Lee Harvey Oswald had acted alone in assassinating President John F. Kennedy.

In 1979, Congress gave its final approval to forming the U.S. Department of Education.

In 1991, President George H.W. Bush announced in a nationally broadcast address that he was eliminating all U.S. battlefield nuclear weapons.

In 1994, more than 350 Republican congressional candidates gathered on the steps of the U.S. Capitol to sign the “Contract with America,” a 10-point platform they pledged to enact if voters sent a GOP majority to the House.

In 2013, President Barack Obama and Iranian President Hassan Rouhani spoke by telephone, the first conversation between American and Iranian leaders in more than 30 years.