10 most difficult Romania riddles

The Dâmbovița is a river in Romania, which passes through Bucharest. The city's folklore refers to the waters of the Dâmbovița as "sweet", "light and clean". However, toward the end of the 18th century, as the population of Bucharest increased, the river ceased to be so clean, hence the need of the aqueducts to bring clean water. The earliest aqueducts with public fountains were built during the rule of Prince Alexander Ypsilantis.

Such an occupational surname could have been passed to following generations only in areas dominated by the Orthodox church, where priests are allowed to marry and have children. Popescu is the most common surname in Romania.

Dacian Kingdom existed between 82 BC until the Roman conquest in AD 106. The capital of Dacia, Sarmizegetusa, located in modern Romania, was destroyed by the Romans, but its name was added to that of the new city (Ulpia Traiana Sarmizegetusa) built by the latter to serve as the capital of the Roman province of Dacia.

The Székelys are a subgroup of the Hungarian people living mostly in the Székely Land in Romania. The origin of the Székelys has been much debated. It is now generally accepted that they are descendants of Hungarians (or of Magyarized Turkic peoples) transplanted to the eastern Carpathian Mountains to guard the frontier, their name meaning simply "frontier guards"

Pasajul Macca-Vilacrosse is a fork-shaped, yellow glass covered arcaded street in central Bucharest, Romania. Câmpineanu Inn once stood in the place nowadays occupied by the passage.The old Inn was bought by Petros Seraphim, who gifted it to two of his daughters as dowries. Daughter Anastasia married Mihalache Macca, who built luxury shops on their part. It was designed by architect Felix Xenopol, and opened in 1891.

The rock sculpture of Decebalus is a 42.9 m in height carving in rock on a rocky outcrop on the river Danube. It was commissioned by Romanian businessman Iosif Constantin Drăgan and it took 10 years, from 1994 to 2004, for twelve sculptors to finish it. The carving was placed opposite an ancient memorial plaque, known as the Tabula Traiana, which commemorates the final defeat of Decebalus by Trajan in 105.

For most of his life, Vlad fought the Ottomans, who considered Wallachia as part of their empire. According to (most likely exaggerated) popular story, in 1462 Mehmed II retreated with his army after being sickened by the sight of 20,000 impaled corpses outside the Vlad's capital of Târgoviște.

The similarity with Chad's flag, which differs only in having a darker shade of blue (indigo rather than cobalt), has caused international discussion. In 2004, Chad asked the United Nations to examine the issue, but then-president of Romania Ion Iliescu announced no change would occur to the flag.

The Roman Empire withdrew from Dacia in AD 271-5, leaving it to the Goths. The history of the language between the 3rd century and the 10th century, when the area came under the influence of the Byzantine Empire, is unknown.

In ancient geography, especially in Roman sources, Dacia was the land inhabited by the Dacians. The Greeks referred to them as the Getae and the Romans called them Daci.