- The first u.s. team to win Stanley cup were the Seattle Metropolitans in 1917.
- a Luna Park is the name of many currently operating Amusement parks. The original opened in 1903 on Coney Island in New York.
- Super symmetry is a symmetry of space and time, conjectured by theoretical physicists.
- The Maastricht Treaty entered into force on November 1st, 1993, thus creating the European Union, and leading to the creation of a single European currency at the time, the euro.
- Azoth was believed to be the universal medicine; the essential agent of transformation in alchemy. It is the name given by the ancient alchemists to mercury.