April 12, 1967: Planned Parenthood International releases a report claiming that between 15 and 20 million abortions are performed worldwide each year.
April 25, 1967: Colorado becomes the first state to liberalize its abortion laws. Under legislation signed by Republican Governor John Love, Colorado permits abortions when the either the preborn child or mother would suffer permanent mental or physical disability, or in cases of rape or incest. (The new law required the agreement of 3 doctors).
April 11, 1970: New York Republican Nelson Rockefeller signs into law legislation which repeals the state’s 1830 law banning abortion. All abortions become legal before the 24th week. This followed four years of lobbying by NARAL, Planned Parenthood and others.
April 3, 1971: Republican Governor Nelson Rockefeller orders interim payment of Medicaid abortions in cases where the mother’s health is endangered.
April 21, 1971: The United States Supreme Court issues its first major abortion decision when it upholds a Washington, D.C. statute barring doctors from performing abortions except when the mother’s life or health is at stake. (U.S. v. Vuitch).
April 17, 1973: The National Institutes of Health announces a ban on research involving live aborted human fetuses. The ruling is aimed at stopping researchers’ practice of keeping aborted babies alive for several hours under laboratory conditions in order to conduct experiments.
April 14, 1975: The U.S. Civil Rights Commission announces its opposition to a constitutional amendment introduced by Senators Buckley and Helms that would sharply limit abortion following the Roe v. Wade and Doe v. Bolton decisions of the U.S. Supreme Court.
April 28, 1976: The U. S. Senate defeats the Helms/Buckley amendment to the U.S. Constitution which would guarantee preborn children a right to life.
April 9, 1989: An estimated 300,000 abortion supporters march in Washington, D.C. following the U.S. Supreme Court’s decision to accept the Webster case from Missouri. The U.S. Justice Department, under President Bush, argues that the case offers the high court an appropriate opportunity to overturn Roe.