Today in history: On June 20, 1967, boxer Muhammad Ali was convicted in Houston of violating Selective Service laws by refusing to be drafted and was sentenced to five years in prison. (Ali’s conviction would ultimately be overturned by the U.S. Supreme Court). Also on this date: In 1782, the Continental Congress approved the Great Seal of the United States, featuring the emblem of the bald eagle. In 1837, Queen Victoria acceded to the British throne following the death of her uncle, King