George Williams sets up (in London) what…

George Williams sets up (in London) what is often cited as the first youth organization in the world—"The Young Men's Christian Association", commonly known as YMCA— on June 6, 1844.

It will grow to a worldwide organization based in Geneva, Switzerland, with more than fifty-seven million beneficiaries from one hundred and twenty-five national associations.

George Williams aims to put Christian principles into practice by developing a healthy "body, mind, and spirit."

These three angles are reflected by the different sides of the (red) triangle—part of all YMCA logos.