What is the specialty of 15-12?
1)1256 Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut in present-day Iran as part of the Mongol offensive on Islamic southwest Asia.
2)1933 The Twenty-first Amendment to the United States Constitution officially becomes effective, repealing the Eighteenth Amendment that prohibited the sale, manufacture, and transportation of alcohol.
3)1939 Gone with the Wind receives its premire at Loew's Grand Theatre in Atlanta, Georgia, USA.
4)1978 U.S. President Jimmy Carter announces that the United States will recognize the People's Republic of China and cut off all relations with Taiwan.
5)2001 The Leaning Tower of Pisa reopens after 11 years and $27,000,000 to fortify it, without fixing its famous lean.
6)2009 Boeing's new Boeing 787 Dreamliner makes its maiden flight from Seattle, Washington.