It is held every 22 years, most recently last summer.

The 7th year will be held from 7 to 13 September 2012.

Elections for all members are held every four years, the next being in 2015.

Local elections are held every three years, last in 2006.

Every three years since 2000, a festival has been held at the beginning of July.

Every year since 2006 are held days of Serbian culture.

These games are held every four years for Jewish athletes around the world.

Every year on June 18 events are held across the globe.

Every two years, a conference is held to discuss rules changes.

Elections to the district council were held every 4 years from 1973 to the last election in 2007.