10 most difficult Switzer­land riddles

The eldest free Swiss cantons were Schwyz (that gave its name to the whole nation), Uri and Unterwalden. In 1291 they signed an eternal union – Federal Charter of 1291.

Habsburg dynasty is a royal dynasty whose members became the hereditary rulers of the Holy Roman Empire, and held authority over the largest realm in Europe during the Renaissance. The Habsburgs originated in Swabia, a duchy of southwestern Germany. In 1246 they took control of the duchy of Austria.

The Club of Rome describes itself as an organisation of individuals who share a common concern for the future of humanity, and strive to make a difference. It consists of current and former heads of state, UN bureaucrats, high-level politicians, scientists, economists, and business leaders from around the globe. Founded in 1968 at the Accademia dei Lincei in Rome, Italy, it has been based in Winterthur, Switzerland since 2008.

The Glacier Express is an express train connecting railway stations of the two major mountain resorts of St. Moritz and Zermatt in the Swiss Alps. The train has the status as "the slowest express train in the world", covering 291 km or 181 mi, 91 tunnels, and over 291 bridges. .

"Unus pro omnibus, omnes pro UNO" is the Latin version of the motto of Switzerland.

Switzerland has been home to international organizations for more than a century. To date, it has concluded a “headquarters agreement” with 25 international organizations: 22 organizations have their headquarters in Geneva, two in Berne and one in Basel.

The Dufourspitze (4634 m above sea level) is the highest peak of Monte Rosa, a huge ice-covered mountain massif in the Alps. Dufourspitze is the highest mountain peak of both Switzerland and the Pennine Alps and is also the second-highest mountain of the Alps and Europe outside the Caucasus. It is located between Switzerland and Italy.

The Aletsch Glacier is the largest glacier in the Alps. It has a length of about 23 km (14 mi) (2014), and covers about 81.7 km2 (31.5 square miles) (2011) in the eastern Bernese Alps in the Swiss canton of Valais. The Aletsch Glacier is composed of four smaller glaciers converging at Concordia Place. The whole area, including other glaciers is part of the Jungfrau-Aletsch Protected Area, which was declared a UNESCO World Heritage Site in 2001

Since the French Revolution the issue of the ownership of the summit has spurred many debates. Previously, the entire mountain had formed part of the Duchy of Savoy and since 1723 of the Kingdom of Sardinia, one of the pre-unitarian Italian states. After Napoleon's victories in Italy, Piedmont was forced to cede Savoy and Nice to France.

The Jurassic period is named for the Jura Mountains in between France and Switzerland, where many fossils have been found.