A half-century ago, the war in Vietnam was escalating, the space race was in full swing, the Rolling Stones were on a world tour, the bravery of those who marched to Selma led to the passage of the Voting Rights Act, and the St. Louis Arch was completed. The United States occupied the Dominican Republic, Malcolm X was assassinated, NASA's Mariner 4 flew by Mars, race riots erupted in Watts, California, and Muhammad Ali defeated Sonny Liston. Let me take you 50 years into the past now, for a photographic look back at the year 1965.