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Siena's bottini system was functioning as the city's primary water source until 1914.
Brunelleschi was granted the first modern patent for his invention of a river transport vessel.
Brunelleschi used more than four million bricks in the construction of the dome.
DaVinci and Michelangelo, while best known for their works of art, also worked as military engineers during the Renaissance.
St. Nicholas, the original Santa Claus, was a bishop in the Byzantine Empire. During the fourth century, he was known for secret gift giving.
Theodosius II nearly bankrupted the empire trying to buy off Attila. He paid the Huns as much as 2,100 pounds of gold a year.
Legend says that a Byzantine princess who married an Italian nobleman in the 11th century introduced the table fork to Europe
According to legend, Constantinople boasted a collection of sacred Christian relics including the True Cross, and John the Baptist's head.
The Neo-Gothic National Cathedral in Washington D.C. has a piece of moon rock from Apollo 11 set into its southern stained glass window.
The First World War officially ended in 1919, when Germany signed the Treaty of Versailles in the Hall of Mirrors.
The guillotine was promoted by Dr. Guillotin, but built by Tobias Schmidt, a German harpsichord maker.
Napoleon was not short. At 5 feet 6.5 inches, he was even slightly taller than the average Frenchman of the 19th century.
The Chinese invented deep drilling in the first century BC and were able to drill boreholes up to 4,800 feet deep.
In the 1040s, movable type printing was invented in China, a huge development in the history of printing.
Shi Huangdi is said to have died from ingesting mercury, which he believed to be an elixir of immortality.
From the 4th century BC on, the Chinese used blast furnaces to cast iron, nearly 1800 years before its widespread use in Europe.
The word "Paradaisia" in old Persian became "Paradise" in ancient Greek.
Creating gardens was held in such high esteem that the Persian kings wished to be remembered as gardeners.
Discovered in 1931, Persepolis is one of the last archaeological excavations that dates back to the ancient world.
Humiliated by Artemesia's daring escape, the Greeks offered a huge price for her capture, but Artemesia had safely sailed home.