The most sensual dance of modern times is without a doubt the Tango. It originated in the 1890s in Argentina, but it quickly became very successful in Europe.
Famous energetic ballroom dance can-can (or cancan), which is performed by the row of female dances in long skirts originated form 1830s Paris ballrooms.
Many historical waves of dances were perceived as the "destructors" of the old way of dance. Examples of that can be found in the 1920's Charleston and the era of Rock music.