"Up until 1920, its published usage was exclusively in veterinary magazines and court cases about dogs. During the year 1920, suddenly the word gained popularity in fiction, magazines, and even some news sources. Why? What happened in 1920? Women's suffrage. Suddenly, "bitch" was used to paint women in this light: malicious, difficult, or "sexually brazen." In short, bitch is the first backlash to feminism."