… which was roughly 1890 until the “explosion” of ideas and concepts at the start of World War I in 1915, featured the dominant “S” monobosom silhouette before the waist dropped quickly with the sub-category of Edwardian, Art Nouveau and Titanic fashion eras (1900-1909 and 1912 respectively).
(Sketch: 1900-1910l 194 ends the eras we study and build)