Men outnumbered women in the United States in 1900: 38.8 million to 37.2 million. (But the situation has reversed: By July 1, 1999, there were 139.5 million women to 133.4 million men).
Women officially participate in the Olympics for the first time. The first 19 women to compete in the modern Olympics Games in Paris, France, play in just three sports: tennis, golf, and croquet.
19 percent, or one in five, women are in the work force. That's 5 million women earning wages outside of the home.
The International Ladies' Garment Workers Union (IGWU) is formed.