Committee of Seventy was formed after a mass meeting at Madison Square Garden as a 'citizens movement outside of party politics' to elect a reform mayor - Chaired by Joseph Laroque former Bar Association President.
Established, 1894
Factoids
1871-Another Committee of Seventy was a committee of 70 citizens of New York City, formed under the leadership of Samuel J. Tilden. It investigated and prosecuted William M. Tweed for misuse of government office.