From the Physics Olympiad in Denmark 2013

Denmark was host country for the Physics Olympiad in 2013. Around 400 students from 90 countries participatet in the international competition, which took place in Copenhagen.  

The Physics Olympiad was started in 1967 as a local competition among the Eastern European states and the former Soviet Union. Since then it has spread and there are now 90 countries participating. There are countries from around the world and in 1996 they came to Denmark for the first time and we have participated each year ever since.