2005
6th WGA in Andong, South Korea
2004
5th WGA in TjianJin, China
2001
4th WGA in Deva, Romania
1998
IOV enters into Operational Relations with UNESCO
1990
3rd WGA in Modling, Austria
1986
2nd WGA in Monastir, Tunisia
1983
IOV admitted as UNESCO status “C”
1980
1st WGA in Mödling, Austria
1979
start the work of building the organization, in Oostrozebeke, Belgium