In this study we has analize women particitation on December, 1, 1918, in Transylvania, that labeled Great Union. Author shows us names of Romanian delegations which represent women associationism from this space. A special atention has paid to show social status, ocupations, level of studies, repartition based on living environments. As a distinguishing sign of social and cultural progress, 61 women participated in the Great National Assembly on December 1, 1918, either as official delegates or alternates, representing practically all the territories inhabited by Romanians from Transylvania. It was also noted that the women's movement was represented in the Fortress of the Union through 34 meetings, 3 societies and one union, totaling 78 people (61 women and 17 men).