10 most difficult Europe riddles A list of ten (out of 170) Europe related questions that are the most often answered incorrectly Europe quiz How many countries use Italian as the official language?4. Italian is the official language in Italy, San Marino, Switzerland and the Holy See. Italian is also used in some parts of Slovenia and Croatia.very hard 8% 1120%2234%3337%448%Created by: globalquiz.org. Statistics based on 13743 answers in 2 languages »geography of Italy riddles » How many countries does Spain share a land border with?5. It's France, Portugal, Andorra, Morocco (Ceuta) and UK (Giblartar)very hard 17% 2226%3339%4416%5517%Created by: globalquiz.org. Statistics based on 4425 answers in 2 languages »geography of Spain riddles » What is the largest affluent of the Baltic Sea in terms of mean discharge?Neva. Vistula is the longest of Baltic Sea affluents, but its mean discharge of 1080 m3/s is less than half of Neva (2500 m3/s). Other major Baltic Sea affluents are Daugawa nad Neman (both 678 m3/s).very hard 26% VistulaVistula44%NevaNeva26%DaugavaDaugava10%NemanNeman19%Created by: globalquiz.org. Statistics based on 3130 answers in 2 languages »Baltic Sea riddles » What is the second largest city in Austria, after Vienna?Graz. The four largest cities in Austria are Vienna (1.8 million), Graz (269,000), Linz (193,000) and Salzburg (146,000).very hard 26% LinzLinz14%GrazGraz26%InnsbruckInnsbruck30%SalzburgSalzburg28%Created by: globalquiz.org. Statistics based on 479 answers in 9 languages »Austria riddles » Which royal palace is that?Palacio Real (Madrid). Whit 162,000 sq meters of floor area, the Palacio Real is more than twice as large as Versailles, Buckingham Palace or Royal Palace in Stockholm. It is the largest functioning palace in Europe (however, king of Spain doesn't live here any more).very hard 27% Hofburg (Vienna)Hofburg (Vienna)18%Palacio Real (Madrid)Palacio Real (Madrid)27%Palace of VersaillesPalace of Versailles26%Royal Palace of StockholmRoyal Palace of Stockholm27%Created by: globalquiz.org. Statistics based on 3477 answers in 2 languages »architecture riddles » Where in the world is Catalan the single official language?In Andorra. Andorra is the only part of the world, where Catalan is the only official language. It is used by Andorran television and radio stations.very hard 29% in Cataloniain Catalonia30%in the Balearic Islandsin the Balearic Islands7%in Andorrain Andorra29%nowherenowhere32%Created by: globalquiz.org. Statistics based on 5753 answers in 4 languages »Spain riddles » Which country was ruled by William the Sailor King?United Kingdom. During his youth, it was not expected that William, being the third son, would became a king. He served in the Royal Navy in the Caribbean. He inherited the throne at the age of 64, after his two elder brothers died without leaving legitimate successors.very hard 30% PortugalPortugal43%SpainSpain13%United KingdomUnited Kingdom30%NorwayNorway12%Created by: globalquiz.org. Statistics based on 4624 answers in 2 languages »kings of Europe riddles » Which European country capital was named Kristiania?Oslo. In 1624, during the reign of King Christian IV the city was destroyed by a fire. It was rebuilt and renamed Christiania in the king's honor. Following a spelling reform, it was known as Kristiania from 1877 to 1925, when its original name was restored.very hard 31% CopenhagenCopenhagen40%StockholmStockholm16%OsloOslo31%HelsinkiHelsinki11%Created by: Kasia. Statistics based on 11931 answers in 2 languages »cities of Scandinavia riddles » Why does the church of Carmo Convent in Lisbon lack its roof?It was destroyed by earthquake. The convent was ruined in the 1755 Great Lisbon Earthquake, which destroyed the city, killed possibly 100.000 of its inhabitants and disrupted the colonial ambitions of Portugal. The church was left unrestored to remind the tragedy.very hard 33% it was never finishedit was never finished23%it was destroyed by earthquakeit was destroyed by earthquake33%it was destroyed by Moorsit was destroyed by Moors8%it symbols open way to Heavensit symbols open way to Heavens34%Created by: Kasia. Statistics based on 12118 answers in 2 languages »history of Portugal riddles » On which language is Italian standard language based?Tuscan, specifically its Florentine variety, became the language of culture for all the people of Italy, thanks to the prestige of the masterpieces of Dante Alighieri, Francesco Petrarca, Giovanni Boccaccio and Niccolò Machiavelli. It would later become the official language of all the Italian states and of the Kingdom of Italy, when it was formed. Only 2.5% of Italy’s population could speak the Italian standardized language properly when the nation unified in 1861.very hard 33% SicilianSicilian11%LatinLatin46%TuscanTuscan33%LombardianLombardian8%Created by: Paul Caspack. Statistics based on 7221 answers in 2 languages »history of Italy riddles » Play Europe quiz and see all the questions.