西西软件园 Columbus Day became a U.S. holiday in 1971. It is generally observed by banks, state government offices, the Postal Service and federal agencies. The bond markets are closed for the holiday, but many businesses and stock exchanges remain open.
This is only the second Nobel Peace Prize to come to auction. This award marked the first time someone from Latin America received the honor. The 1936 recipient was Argentina's foreign minister, Carlos Saavedra Lamas.