In the third year of the reign of King Belshazzar a vision appeared unto me, even unto me Daniel, after that which appeared unto me at the first. The text of the Septuagint does not differ greatly from the Hebrew, but avoids the strange anarthrous position of anu, "I."
The Septuagint renders this verse as a title to the chapter, thus: "A vision which I Daniel saw in the third year of the reign of Belshazzar (Beltasar), after that I saw formerly ( πρώτην)." The Septuagint reading seems to have been asher r'oeh anee.
Theodotion and the Peshitta are in verbal agreement with the Massoretic text. The third year of the reign of King Belshazzar. We learn now that Belshazzar did not reign independently; but that for at least five years he exercised all the functions of government.
If Daniel's investiture with the position of third man in the kingdom took place on the occasion of Belshazzar's inauguration of his vice-regal reign, Daniel may have remained in the royal service continuously till the overthrow of the Babylonian monarchy.
After that which appeared,into me at the first. The former vision referred to is clearly the vision of the preceding chapter.