Spanish Biology Olympiad experiences in this field. This competition has always included both practical and theoretical examinations. In Spain the first National Biology Olympiad was organised in the Canary Islands by a group of high school teachers. By that time the Community of Madrid and the Community of Valencia had already celebrated their Regional Olympiad for four or five years. Currently, local phases are held in all the national autonomous communities, including Ceuta and Melilla, and the Spanish centres abroad. The Spanish Biology Olympiad is registered under number 585 939, Group 1, Section 1 in the National Registry of Associations of the Ministry
Chinese Chemistry Olympiad Chinese Chemistry Olympiad Chinese Chemistry Olympiad () is an annual academic competition held by Chinese Chemical Society. CAS changed its official Chinese name in February 2014, though its English translation remains the same. The first CChO was held in 1984, 16 years after IChO. The event has been held every year since then. China has selected excellent high school students to take part in IChO through the competition since 1987. It is considered to be the most difficult Chemistry exam throughout the world, the difficulty of Final round is much harder than IChO. The difficulty of the preliminary round is