1581-The first ballet "Ballet Comique de la Reine," commissioned by Catherine de Medici, is staged in Paris 1582-Gregorian calendar is introduced in Spain, Portugal, and the Papal States after skipping 10 days from October 4 to sync the calendar to the solar year and compensate for the drift that has occurred due to the Julian calendar having too many leap days 1815-Napoleon Bonaparte arrives on the island of Saint Helena to begin his exile 1986-Yuan T. Lee is the first Taiwanese Nobel Prize winner in Chemistry, alongside Dudley R. Herschbach and John C. Polanyi, for work on the "dynamics of chemical elementary processes" 1969-Millions nationwide protest against the Vietnam War on Moratorium Day in the U.S. 1993-Nelson Mandela and South African President F. W. de Klerk are awarded the Nobel Peace Prize