Sun Tzu have been available to Sun Wu. Additionally, there are no records of professional generals during the Spring and Autumn period; these are only extant from the Warring States period, so there is doubt as to Sun Tzu's rank and generalship. This caused much confusion as to when "The Art of War" was actually written. The first traditional view is that it was written in 512 BC by the historical Sun Wu, active in the last years of the Spring and Autumn period (c. 722–481 BC). A second view, held by scholars such as Samuel Griffith, places "The Art of War"
St Mark Passion (attributed to Keiser) St Mark Passion (attributed to Keiser) Jesus Christus ist um unsrer Missetat willen verwundet is a St Mark Passion which originated in the early 18th century and is most often attributed to Reinhard Keiser. It may also have been composed by his father Gottfried or by Friedrich Nicolaus Bruhns. Johann Sebastian Bach produced three performance versions of the Passion, the last of which is a pasticcio with arias from George Frideric Handel's "Brockes Passion". There are two other extant 18th-century versions of the Passion, both of them independent of Bach's versions. The Passion was performed in at least three cities