Late in October 1973, grassroots prolife leaders became concerned that January 22, 1974, might come and go without properly memorializing the Supreme Court’s infamous abortion decisions and without petitioning Congress for redress.
No established right-to-life organization was prepared to undertake the planning, financial and operational responsibilities for a high impact prolife March on the U.S. Capitol. But, grassroots prolifers wanted to march! About thirty prolife veterans resolved themselves into a committee and began making plans for the first March for Life.
On January 22, 1974, the first March for Life was held on the West Steps of the Capitol. An estimated 20,000 committed prolife Americans rallied that day on behalf of our preborn brothers and sisters.
In 1974, the March for Life was incorporated as a non-profit, non-partisan, non-sectarian organization.
Read more at http://www.marchforlife.org