John Tyler is born – Herbert Hoover has telephone installed in Oval Office – The Mad Bomber strikes in New York – U.S. withdraws from Vietnam – Earthquake and volcano do double damage in Mexico – The Dow Jones Industrial Average closes above the 10,000 mark (10,006.78) for the first time – Ireland becomes the first country in the world to ban smoking in all work places, including bars and restaurants – Two female suicide bombers hit the Moscow Metro system at the peak of the morning rush hour, killing 40