Nancy Pelosi openly endorsing Agenda 21, in October of 1992.
Agenda 21 is a plan by the United Nations—launched in June of 1992, at the Earth Summit in Rio de Janeiro—to dominate all aspects of human life by placing a command and control structure around all planetary resources, under the guise of addressing global environmental issues.
Source: https://www.c-span.org/video/?c4863326/user-clip-agenda-21-1992-nancy-pelosi