Quiz.HaitiLibre offers a twice-weekly general knowledge segment called "Did You Know ?". Today we ask you which European river is the second longest on the continent ?

Did you know that the Danube is the second longest river in Europe after the Volga, stretching for almost 2,850 kilometers ?

Its geopolitical and historical importance is major, because it crosses or borders ten different countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine. It also serves as a natural boundary on many segments.

In addition, the Danube has the unique distinction in the world of crossing four national capitals: Vienna, Bratislava, Budapest and Belgrade.

Since ancient times, this river has been an essential trade and communication route for central and eastern Europe.Its hydrographic basin is home to exceptional biodiversity, protected in particular in its delta in Romania.

The Danube has also inspired many artists, including the composer Johann Strauss with his famous waltz, symbolizing the cultural union of riverside peoples throughout the ages.

This information is taken from the answer sheets accompanying the correct answers in the HaitiLibre Quiz (1) https://www.haitilibre.com/en/news-46734-haiti-flash-official-launch-of-the-quizhaitilibre-platform.html . Explore many other topics about Haiti, as well as the world, to enrich or confirm your general knowledge. Or, if you prefer more challenging quizzes, themes await you in the expert menu at https://quiz.haitilibre.com/en

Note that as part of our monthly update, 31 new games were added on July 1, 2026, bringing the current number of games to 180 https://www.haitilibre.com/en/news-47891-haiti-flash-180-games-now-available-on-quizhaitilibre-july-2026.html . We add new ones every month.

Our exclusive games, free and without registration, are designed for all ages, with each game offering three difficulty levels: easy, intermediate, and hard, and are available in French and English.

Visit our website and explore the world of knowledge right away: https://quiz.haitilibre.com/en, Recommend our site to your family and friends and share your feedback with us (comment form at the end of each game).

Be persistent and finish your games! If you don't know the answer, now's the time to learn and impress your friends with your newfound knowledge.

(1) QUIZ Expert Europe 1.1

See also :

https://www.haitilibre.com/en/news-48018-haiti-leisure-did-you-know-42.html

https://www.haitilibre.com/en/news-48010-haiti-leisure-did-you-know-41.html

https://www.haitilibre.com/en/news-47952-haiti-leisure-did-you-know-40.html

https://www.haitilibre.com/en/news-47943-haiti-leisure-did-you-know-39.html

https://www.haitilibre.com/en/news-47907-haiti-leisure-did-you-know-38.html

https://www.haitilibre.com/en/news-47899-haiti-leisure-did-you-know-37.html

https://www.haitilibre.com/en/news-47848-haiti-leisure-did-you-know-36.html

https://www.haitilibre.com/en/news-47840-haiti-leisure-did-you-know-35-video.html

https://www.haitilibre.com/en/news-47784-haiti-leisure-did-you-know-34.html

https://www.haitilibre.com/en/news-47776-haiti-leisure-did-you-know-33.html

https://www.haitilibre.com/en/news-47731-haiti-leisure-did-you-know-32.html

https://www.haitilibre.com/en/news-47723-haiti-leisure-did-you-know-31.html

https://www.haitilibre.com/en/news-47680-haiti-leisure-did-you-know-30.html

All other links related : https://www.haitilibre.com/en/news-47672-haiti-leisure-did-you-know-29.html

QHL/ HaitiLibre