Twenty-one Well-known rivers (in alphabetic order):
1. The Amazon River, the largest river in the world (in terms of volume and water cubic metres/second)
2. The Amur, the principal river of eastern Siberia and the border between Russia and China
3. The Congo, the principal river of central Africa
4. The Danube, the principal river of central and southeastern Europe
5. Río de la Plata, the widest river in the world
6. The Euphrates, one of the twin principal rivers of Anatolia (Turkey) and Mesopotamia (Iraq)
7. The Hudson River, the principal river of New York
8. The River Jordan, the principal river of Palestine, Jordan, and Israel
9. The Mackenzie River, the longest river in Canada
10. The Mekong, a principal river of Southeast Asia
11. The Mississippi River, the principal river of the central and southern United States
12. The Nile, the longest river in the world, principal to Egypt and northeastern Africa
13. The Rhine, one of the longest and most important rivers in Europe
14. The Rio Grande, the river that forms part of the border between the United States and Mexico
15. The Seine, the river that runs through Paris
16. Shinano-gawa, the longest river in Japan
17. The Thames, the river that runs through London
18. The Tiber, the river that runs through Rome
19. The Tigris, one of the twin principal rivers of Anatolia (Turkey) and Mesopotamia (Iraq)
20. The Volga River, the principal river of Russia and the longest river in Europe
21. The Yangtze (Chang Jiang), the longest river in China and Asia
