1930s Evening Gown Circa 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 gowns and cocktail dresses sewing patterns Lady Marlowe Formal 1930s Evening Dress Pattern Vintage 30's Dresses 1940s Simplicity 1981 Vintage Sewing Pattern For Button Front Dress Modig 1930s Evening Dress, Art Deco Gown, Party Dress