Daniel 5:31

Darius : king of Persia after Cyrus and Artaxerxes Smerdis; Darius I,son of Ahasuerus; Darius II the Mede,king of Persia after Darius II; Darius III the Persian

Medes : the inhabitants of Media, a region south and southwest of the Caspian Sea in the Zagros mountains,a people and a nation
(34° 47´, 48° 30´)

Daniel 9:1

Ahasuerus : king of Persia after Darius

Darius : king of Persia after Cyrus and Artaxerxes Smerdis; Darius I,son of Ahasuerus; Darius II the Mede,king of Persia after Darius II; Darius III the Persian

Medes : the inhabitants of Media, a region south and southwest of the Caspian Sea in the Zagros mountains,a people and a nation
(34° 47´, 48° 30´)