According to tradition, the first engineer to build a bridge across the Tiber in Ancient Rome was given the name Pontifex, meaning "bridge builder." The Pontifex was seen as someone who "connects" people, and that symbolism was so powerful that Roman high priests--including Julius Caesar--later adopted the title Pontifex Maximus. During the Roman Imperial age, the emperor was always the Pontifex Maximus. The title eventually passed from Roman emperors to the leader of the Roman Catholic Church. Today, the Pope still carries the title Pontifex Maximus.

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Acupuncture was first used as a medical treatment in 2700 BC by Chinese emperor Shen-Nung. **
Armored knights raised their visors to identify themselves when they rode past their king. This custom has become the modern military salute.
At the height of its power, in 400 BC, the Greek city of Sparta had 25,000 citizens and 500,000 slaves.

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Bock's Car was the name of the B-29 Bomber that dropped the Atom Bomb on Nagasaki.

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Britain's present royal family was originally named Saxe-Coburg and Gotha. The name was changed in 1917, during WW1 because of German connotations. The name Windsor was suggested by one of the staff. At the same time the Battenberg family name of the cousins to the Windsors was changed into Mountbatten.

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