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