First Rotary Club Organized in Chicago, Illinois, USA

Second Club formed in San Francisco, CA, USA

First Rotary convention held in Chicago, Ill.

The Rotary Club of Winnipeg, Manitoba, Canada, becomes the first club outside the United States to be officially chartered. (The club formed in 1910)

Endowment fund, forerunner of The Rotary Foundation, established

4-way Test formulated by Chicago Rotarian Herbert J. Taylor

49 Rotarians help draft United Nations Charter in San Francisco

Rotary founder Paul Harris dies; first 18 Rotary Foundation scholarships granted

First Interact club formed in Melbourne, Florida, USA

Rotary Foundation launches Matching Grants and Group Study Exchange Programs

RI's largest convention, 39,834 registrants, held in Tokyo

Rotary announces Polio Plus program to immunize all the children of the world against Polio

Council on Legislation opens Rotary membership to women worldwide; Rotary clubs chartered in Budapest, Hungary, and Warsaw, Poland, for first time in almost 50 years

Rotary Club of Moscow chartered first club in Soviet Union

Preserve Planet Earth program inspires some 2,000 Rotary-sponsored environmental projects

Western Hemisphere declared polio-free

Rotary Centers for International Studies in Peace and Conflict Resolution established

Western Pacific declared polio free

30,000th Rotary club chartered

Europe declared polio-free; first class of 70 Rotary Peace Scholars begin study

Rotarians raise more than US$118 million to support the final stages of polio eradication