'Reign' in the Bible

In the third year of the reign of Jehoiakim king of Judah, come hath Nebuchadnezzar king of Babylon to Jerusalem, and layeth siege against it;

And in the second year of the reign of Nebuchadnezzar, dreamed hath Nebuchadnezzar dreams, and his spirit doth move itself, and his sleep hath been against him;

And this Daniel hath prospered in the reign of Darius, and in the reign of Cyrus the Persian.

In the third year of the reign of Belshazzar the king, a vision hath appeared unto me -- I Daniel -- after that which had appeared unto me at the beginning.

in the first year of his reign, I, Daniel, have understood by books the number of the years, (in that a word of Jehovah hath been unto Jeremiah the prophet,) concerning the fulfilling of the wastes of Jerusalem -- seventy years;