22. september 2016Ny selskabsform: Frivillig foreningI.A.S.O. (International Angelman Syndrome Organisation)I.A.S.O. (International Angelman Syndrome Organisation) skifter selskabsform.FraFORTilFFO
21. september 2016Ny branche: Andre organisationer og foreninger i.a.n.I.A.S.O. (International Angelman Syndrome Organisation)Tidligere branche: Faglige sammenslutninger.
1. januar 2008Ny branche: Faglige sammenslutningerI.A.S.O. (International Angelman Syndrome Organisation)Tidligere branche: Faglige, oplysende foreninger.
17. februar 2005Nyt navn: I.A.S.O. (International Angelman Syndrome Organisation)I.A.S.O. (International Angelman Syndrom Organisation)I.A.S.O. (International Angelman Syndrom Organisation) skifter navn til I.A.S.O. (International Angelman Syndrome Organisation).
23. juni 2002StiftelseI.A.S.O. (International Angelman Syndrom Organisation)I.A.S.O. (International Angelman Syndrom Organisation) stiftes i branchen faglige, oplysende foreninger.Adressec/o Vibeke NicolaisenØsterskovvej 184682 Tureby