WORLD HISTORY

Detailed explanation-1: -The Danube (/ˈdæn.juːb/ DAN-yoob; known by various names in other languages) is the second-longest river in Europe, after the Volga in Russia. It flows through much of Central and Southeastern Europe, from the Black Forest into the Black Sea .

Detailed explanation-2: -Europe’s three largest rivers, the Volga (1), the Danube (2) and the Dnepr (3), drain one quarter of the continent.

Detailed explanation-3: -The Danube (Latin name Hister) is the second-longest river in Europe (the Volga is the longest). It is the longest river of the European Union.

Detailed explanation-4: -The Volga (/ˈvɒlɡə, ˈvoʊlɡə/; Russian: ́) is the longest river in Europe. Situated in Russia, it flows through Central Russia to Southern Russia and into the Caspian Sea.

Detailed explanation-5: -The Danube, on the other hand, is over twice the length of the Rhine and stretches some 2, 870km from the North Sea to the Black Sea. It’s the second longest river in Europe, weaving its way through ten countries-Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova and Ukraine.