Sun Tzu proved on the battlefield that his theories were effective (for example, at the Battle of Boju), that he had a successful military career, and that he wrote "The Art of War" based on his tested expertise. However, the "Zuozhuan", a historical text written centuries earlier than the "Shiji", provides a much more detailed account of the Battle of Boju, but does not mention Sun Tzu at all. Beginning around the 12th century, some scholars began to doubt the historical existence of Sun Tzu, primarily on the grounds that he is not mentioned in the historical classic "Zuo zhuan", which mentions
Greek academic art of the 19th century Greek academic art of the 19th century The most important artistic movement of Greek art in the 19th century was academic realism, often called in Greece "the Munich School" () because of the strong influence from the Royal Academy of Fine Arts of Munich (), where many Greek artists trained. The Munich School painted the same sort of scenes in the same sort of style as Western European academic painters in several countries, and did generally not attempt to incorporate Byzantine stylistic elements into their work. The creation of romantic art in Greece can be explained mainly due to the