Dating essentially replaced the practice of calling which was the primary way of courtship before the mid-1920's.
Then you progress to flirting and talking to them which leads into dating.
One of the conventions they put a new spin on, and consequently revolutionize, is the idea and practice of dating.
The 1950's set up precedents in dating that led to what many consider "normal" dating today.
People date because it is "enjoyable, pleasant, and valuable" (Merrill 62), and they thought that they could gain rewarding experiences from it.
In the fifties and surrounding decades, handbooks and other books exploring relationships described dating as a fun activity in which teens are allowed to meet and mingle with many members of the opposite sex.