Today in History: October 6: In 1927, ‘The Jazz Singer’ debuted; In 1973 the Yom Kippur war started when Egypt and Syria attacked Israel; In 1979, Pope John Paul II became the first pontiff to visit the White House; In 2014, the Supreme Court unexpectedly cleared the way for a dramatic expansion of gay marriage in the United States; In 1981, Egyptian President Anwar Sadat was assassinated.