The document discusses several prominent mathematical olympiads from around the world, including the International Mathematical Olympiad (IMO), the Indian National Mathematical Olympiad (INMO), the United States of America Mathematical Olympiad (USAMO), the British Mathematical Olympiad, the Asian Pacific Mathematics Olympiad (APMO), the Southeast Asian Mathematics Olympiad, and the William Lowell Putnam Mathematical Competition. It provides details on the history, structure, selection process, awards, and goals of each competition.