Prince Iyesato Tokugawa guided the Japanese gifting of the cherry blossom trees to the U.S. Capital in 1910 and 1912 into becoming a significant international token of goodwill which is now officially known as the annual National Cherry Blossom Festival – His behind the scenes role in accomplishing this diplomatic success was discovered while researching for the illustrated biography on Prince Tokugawa, titled: THE ART OF PEACE.