The 35th IPhO was held in Pohang, South Korea from July 15th to 23rd, 2004; the 36th was held from July 3rd to 12th, 2005, in Salamanca, Spain.
The 35th IPhO was held in Pohang to 23rd.23rd was 2004. Pohang was South Korea from July 15th. The 36th was held from July 3rd. This was to 12th in Salamanca, Spain.12th was 2005.