Today in history: On Nov. 4, 2008, Democrat Barack Obama was elected the first Black president of the United States, defeating the Republican candidate, Sen. John McCain of Arizona. Also on this date: In 1922, the entrance to King Tutankhamen’s tomb was discovered in Egypt. In 1979, the Iran hostage crisis began as militants stormed the United States Embassy in Tehran, seizing its occupants; for some of the hostages, it was the start of 444 days of captivity. In 1980, Republican Ronald Reagan