Rotary began as an idea more than 100 years ago. Today, Rotary flourishes worldwide with 1.2 million members in more than 200 countries and geographical areas.
The world's first service club, the Rotary Club of Chicago, was formed on 23 February 1905 by Paul P. Harris, an attorney who wished to capture in a professional club the same friendly spirit he had felt in the small towns of his youth. The Rotary name derived from the early practice of rotating meetings among members' offices.