A look back at the week in history
June 27, 1844 The founder of the Church of Jesus Christ of Latter-day Saints, Joseph Smith, is killed by a mob in Carthage, Ill.
June 29, 1956 President Dwight Eisenhower signs legislation creating the Interstate Highway System.
June 30, 1906 The Meat Inspection Act becomes law after abuses exposed by Upton Sinclair’s The Jungle.
July 1, 1979 Sony introduces the Walkman, an innovative, portable audiocassette player.
July 2, 1962 The first Wal-Mart store opens in Rogers, Ark.