Final answer:
The Liffey River is the waterway that flows through Dublin, eventually emptying into the Irish Sea. It's a vital part of the city's history and commerce.
Step-by-step explanation:
The river that flows through the city of Dublin before emptying into the Irish Sea is the Liffey River. The river that flows through the city of Dublin before emptying into the Irish Sea is the Liffey River.
The Liffey River is approximately 132 km long and runs through the center of Dublin. It is a major waterway for the city and has played a significant role in the history and development of Dublin.
Rivers have always been crucial in Europe for transportation and trade due to the continent's numerous waterways and extensive coastlines.
While the Danube and Rhine rivers are significant in dividing Europe and facilitating transport to regions such as Vienna and the North Sea, it is the Liffey that winds through Dublin, contributing to its history and commerce before reaching the Irish Sea.