In the 1930s a curious thing occurred. In the 30s, the line between evening wear, and nightgowns dressing gowns became vanishingly narrow. The same shapes, the same structures and the same materials were 1930s Evening Dresses and Gowns 143 For Sale at 1stDibs 1930s evening gown, 1930s gown, 1930s party dress 2 Elegant Dresses. 1930s : r VintageFashion 1930s Evening Gown Circa Image of 1930S EVENING DRESS by Barnaby's Studios Ltd, (20th century)