Formal Declarations of what Humanism is began with the first Humanist Manifesto issued in America in 1933. This has been called Humanist Manifesto I. The second such declaration Humanist Manifesto II was made in 1975. The third one was made in 2003. In between several other declarations have been made including the Secular Humanist Declaration in 1990 and the Planetary Humanist Declaration in 2000.