Olympiad Olympiads for the summer and winter games, and such usage particularly for the Winter Olympics is not consistent with the numbering discussed above. The U.S. Olympic Committee often uses the term "quadrennium", which it claims refers to the same four-year period. However, it indicates these quadrennia in calendar years, starting with the first year after the Summer Olympics and ending with the year the next Olympics are held. This would suggest a more precise period of four years, but the 2001–2004 Quadrennium would then not be exactly the same period as the XXVIIth Olympiad. A "Cultural Olympiad" is a concept
United States National Physics Olympiad United States National Physics Olympiad The United States National Physics Olympiad (USAPhO) is a high school physics competition run by the American Association of Physics Teachers and American Institute of Physics to select the team to represent United States at the International Physics Olympiad (IPhO). The team is selected through a series of exams testing their problem solving abilities. Approximately the top 20 finalists are invited to a rigorous study camp at University of Maryland to prepare for the IPhO. The International Physics Olympiad began in 1967 among Eastern European countries and many western countries soon joined in the 1970s.