1920s: Few professions other than nursing and teaching are deemed socially acceptable for women who must support themselves.

Today: College graduates are as likely to be female as male, and a majority of women are employed in the workforce and in virtually every profession.

1920s: One's social rank can be determined from one's clothing. Gentlemen wear hats, ladies gloves, and fur denotes a position of some social standing. Women, with few exceptions, always wear dresses or skirts.

Today: Social conventions regarding dress are relaxed. Hats and gloves are uncommon in many circles, and pants are a staple of most women's wardrobes. Many believe fur to be a symbol not of status but rather an indication of cruelty and conspicuous consumption.

1920s: Common forms of recreation include reading, going to the theater, and gathering in public places such as parks or pubs. People often dress...