The American dress reform movement arose in the mid 19th century.
8) Women Wearing Pants Dress Code for Christian Women
The History of Women's Pants, the where, the when, and the why. – LIVSN
Was it at any time illegal for women to wear pants in the United States? - Quora
When Did Women Start Wearing Pants
A brief history of women in pants
How to Dress for Your Body Type (with Pictures)
Women's History Month and the power of pants
The History of Women's Pants, the where, the when, and the why. – LIVSN
Trousers as women's clothing - Wikipedia
DEMYSTIFIED: When did women start wearing pants in the U.S.?
A brief history of when (and why) women started wearing pants, by Sneha Konda
When did women woman start wearing pants in western culture? - Quora
A brief history of women in pants
The Not-So-Straightforward Story of Women and Trousers