Beyond the answers - interesting background to this quiz

The last Mediterranean country to join the euro

Malta adopted the euro in January 2008, replacing the Maltese lira, which had itself replaced the Maltese pound. The country joined the European Union in 2004, and the euro became legal tender after Malta met the convergence criteria, including low inflation and stable public finances. Today, Maltese euro coins feature the Maltese cross, the coat of arms, and the Mnajdra temple altar.

A capital that shaped Europe's Art Nouveau

Riga, Latvia's capital, is often cited as having one of the finest concentrations of Art Nouveau architecture in Europe. Roughly a third of the buildings in its central district date from the early 20th century and display the ornate facades typical of the style. The historic centre is a UNESCO World Heritage Site, and the city has long served as the largest urban centre in the Baltic states.

The Jordan River as a modern border

The Jordan River flows through or along the borders of several countries, including Israel, Jordan, Lebanon and Syria. It runs from the slopes of Mount Hermon southward through the Sea of Galilee to the Dead Sea, one of the lowest points on Earth. Its waters have been a source of tension and cooperation for decades, given how many communities depend on them in an arid region.

F. Scott Fitzgerald's Riviera novel

"Tender Is the Night" features Dick and Nicole Diver, a glamorous American couple living on the French Riviera in the 1920s. Fitzgerald drew heavily on his own experiences in Europe and his wife Zelda's mental health struggles. The novel took him nearly a decade to complete and was published in 1934, after "The Great Gatsby" had already established his reputation.