Richard@Home · @richardathome
1st Oct 2014 from TwitLonger
When besieged at PingCheng by 300,000 Xiongnu horsemen, Gaozu sent a painting of a Chinese princess to the Xiongnu commander's wife, with a message that he intends surrender and present the exquisitely beautiful Chinese princess as tribute to her husband.
He awoke the next day to find that the Xiongnu had decamped.
http://www.quora.com/What-are-the-most-mind-blowing-tricks-used-during-any-war