Trivia: What is the longest river in Europe outside of Russia?
Danube
Rhine
Thames
Loire
The correct answer is Danube
So why is this answer correct? : The
longest river that does not venture outside of mainland Europe is the
Danube, which is 1,780 miles long and flows through 10 countries — from
Germany to Austria, Slovakia, Hungary, Croatia, Serbia, Romania,
Bulgaria, Moldova, and Ukraine, before emptying into the Black Sea. Many
of Europe’s most scenic capitals are located on the Danube, including
Vienna and Budapest.